Perhaps you should try some spelling variations:
states using » states during, rates using, estimates using
wave small » waves small, live small, wine small
take small » take all, takes all
ying yang » yang yang, yin yang, ying chang
deep bei » deep sea, deep box, deep bp
yu yang » du yang, yi yang, yu fang

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ying yang) OR (yu yang)) yang ((take small) OR (wave small)) states using deep bei ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ying yang) or (yu yang)) yang ((take small) OR (wave small)) states using deep bei ;~".
• Adding a wildcard symbol may retrieve word variants: ((ying yang) or (yu yang)) yang ((take small) OR (wave small)) states using deep bei ;*.