Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan viec » nhan vien, nhan viet, nha viec
thu sang » thu hang, thu san, thu bang
hieu vu » hieu va, hieu ve, hieu su
sang ky » sang kyo, dang ky, tang ky
soc van » hoc van, sac van, soc dan
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
ma noi » ha noi, ma moi, va noi
oc van » hoc van, luoc van, quoc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sang ky tang ma noi. ((hieu vu) or (hieu qua)) kham ((soc van) or (oc van)) nhan viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sang ky tang ma noi. ((hieu vu) OR (hieu qua)) kham ((soc van) OR (oc van)) nhan viec cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sang ky tang ma noi. ((hieu vu) or (hieu qua)) kham ((soc van) or (oc van)) nhan viec cua triet*.