Perhaps you should try some spelling variations:
liang yang » liang ying, yang yang, huang yang
cost using » costs using, cost housing, test using
using risk » during risk, using rs, funding risk
wang yang » wang yan, wang liang, wang yanling
jun cost » run cost, can cost, eu cost
how shu » how she, how shih, how slum

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang yang) or (wang yang)) jun cost using risk how shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang yang) OR (wang yang)) jun cost using risk how shu ;.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (wang yang)) jun cost using risk how shu ;*.