Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dinh viec » sinh viec, sinh vien, ninh viet
dinh viet » ninh viet, danh viet, trinh viet
nam duoc » nam thuoc, da duoc, dat duoc
duoc man » duoc ma, duc man, duoc ban
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » hieu qua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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