Perhaps you should try some spelling variations:
changes made » changes a, changes due
yiqian wang » yijiang wang, liqin wang, qian wang
zhang min » zhang ming, zhang xin, chang min
yan wang » yuan wang, yang yang, qian wang
hua shen » hua chen, han shen, hua ren
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan wang) or (yiqian wang)) hua shen ((zhang min) or (changes made)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan wang) OR (yiqian wang)) hua shen ((zhang min) OR (changes made)) hong hai ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yan wang) or (yiqian wang)) hua shen ((zhang min) or (changes made)) hong hai ;*.