Perhaps you should try some spelling variations:
liang liang » liang liying, wang liang, liang ying
testing can » testing chain, testing a, testing cpt
lian xiang » li xiang
can spell » can tell, can small, can speak
can bell » can tell, jan bell, can best
can case » can cause, can cash, can care
case im » case i, case ii, case iv

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 liang) or (lian xiang)) ((can bell) OR (can spell)) testing can case im ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang liang) OR (lian xiang)) ((can bell) OR (can spell)) testing can case im ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang liang) or (lian xiang)) ((can bell) OR (can spell)) testing can case im ;*".