Perhaps you should try some spelling variations:
credit training » credit trading, credit rationing, credit rating
training costs » trading costs, training courses, training course
fund credit » sound credit, food credit, bond credit
huang ying » huang jing, huang ting, huang yang
work women » world women, work when, working women
liang big » liang ying, liang li
work sren » work karen, work trend, work sex

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: wang ((liang big) OR (huang ying)) fund credit training costs ((work women) OR (work sren)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang big) or (huang ying)) fund credit training costs ((work women) or (work sren)) ;*.