Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, qian wang
than change » chain change, can change, mean change
liqin wang » limin wang
zhang chin » zhang xin, chang chen, hang china
shi zhang » li zhang, xi zhang
chin fang » chin chang, china wang, china yang
yan jiao » gan jiao, ben jiao, ren jiao
jiao shi » giao chi, jian she, jiao che
sheng » cheng, zheng

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yiqian wang) OR (liqin wang))) or (than change)) yan jiao shi zhang chin fang sheng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yiqian wang) OR (liqin wang))) OR (than change)) yan jiao shi zhang chin fang sheng ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yiqian wang) OR (liqin wang))) or (than change)) yan jiao shi zhang chin fang sheng ;*".