Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tri » thanh tra, thanh tai, chinh tri
van thanh » ban thanh, van tuan
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
hieu ve » hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so dac » so dan
so sac » so sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sac) or (so dac)) ky lang xa hoi. ((hieu ve) or (hieu va)) bac xuc van thanh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sac) OR (so dac)) ky lang xa hoi. ((hieu ve) OR (hieu va)) bac xuc van thanh tri cua triet.
• Adding a wildcard symbol may retrieve word variants: ((so sac) or (so dac)) ky lang xa hoi. ((hieu ve) or (hieu va)) bac xuc van thanh tri cua triet*.