Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
cost data » test data
dong bin » dong sin, dong di, dann bin
eat your » treat your, what your, meet your
man rong » ma rong, qian rong, man houng
nan yan » nan ya, wang yan, qian yan
rong yu » hong yu, rong su, wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nan yan) or (((wang yang) or (dong bin)))) eat your ((costs data) OR (cost data)) man rong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nan yan) OR (((wang yang) OR (dong bin)))) eat your ((costs data) OR (cost data)) man rong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nan yan) or (((wang yang) or (dong bin)))) eat your ((costs data) OR (cost data)) man rong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((nan yan) or (((wang yang) or (dong bin)))) eat your ((costs data) OR (cost data)) man rong yu ;*.