Try using the word or with the
word and to specify multiple combinations of words.
- animal or vegetable and oil
- (animal or vegetable) and oil
These two keyword strings each return all itemsthat contain animal and oil,
plus all items that contain vegetable and oil. The order of the words in the search string does
not matter. The search string oil and animal or vegetable would return exactly the same list as the two example strings.
When searching for multiple combinations like this it is always a good idea to group the keywords with parentheses.
- animal or (vegetable and oil)
This keyword string returns a different list of
items than the keyword strings in the previous example. The resulting list
contains all items with the word animal, plus all
items that contain vegetable and oil.
It is especially important to use parentheses when you use the
word or in combination with the word and along with more than three keywords.
- (fiber and vegetable) or (cotton and cloth)
This keyword string returns all items that
contain fiber and vegetable,
plus all items that contain cotton and cloth. Without parentheses, this would return an
entirely different list which could be specified as fiber and (vegetable or cotton) and cloth. That search probably would not yield any results.
If you got unexpected results when you tried using the word or with the word and
Try grouping the keywords with parentheses. Without grouping, you may be asking for a different combination of keywords than you expect.