Perhaps you should try some spelling variations:
using chairs » using chart, using charts, ising chain
liang liying » jiang liping, liang lilin, liang ying
lian xiang » li xiang
using care » nursing care, using carbon
cio test » cio best, ein test, ct test
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 liying) or (lian xiang)) cio test ((using chairs) OR (using care)) case im ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang liying) OR (lian xiang)) cio test ((using chairs) OR (using care)) case im ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang liying) or (lian xiang)) cio test ((using chairs) OR (using care)) case im ;*".