Perhaps you should try some spelling variations:
wang liang » wang yang
seeking im » seeking his, seeking _, seeking a
liang yan » liang dan, liang tan, liang ying
der case » dar case, der care, der cas
per case » per class, per se, our case
how some » how women
how seo » how so, how self, how secs

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 yan ((der case) OR (per case)) seeking im ((how seo) or (how some)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yan ((der case) OR (per case)) seeking im ((how seo) OR (how some)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yan ((der case) OR (per case)) seeking im ((how seo) or (how some)) ;*".