Perhaps you should try some spelling variations:
work change » work changes, rework change, york changes
change when » change wheel, change women, change what
liang tan » liang dan, liang sun, wing tan
zhong zhi » zhang zhi, zhong tai
tan yang » dan yang, tan ying, tan yong
when how » when do
hong ghi » hong g, hong hai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: liang tan yang work change when how ((((hong ghi) OR (zhong zhi))) OR (hong (tan OR than))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "liang tan yang work change when how ((((hong ghi) OR (zhong zhi))) or (hong (tan or than))) ;~".
• Adding a wildcard symbol may retrieve word variants: liang tan yang work change when how ((((hong ghi) OR (zhong zhi))) or (hong (tan or than))) ;*.