Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dinh viec » dinh viet, sinh viec, sinh vien
man dinh » van dinh, man tinh, mai dinh
duoc man » duoc ma, duc man, duoc ban
nam duoc » nam thuoc, da duoc, dat duoc
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang ma hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) nam duoc man dinh viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang ma hoi. ((((hieu va) OR (hieu qua))) OR (lieu va)) nam duoc man dinh viec cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang ma hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) nam duoc man dinh viec cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ma hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) nam duoc man dinh viec cua triet*.