Perhaps you should try some spelling variations:
sinh viec » sinh vien, dinh viec, ninh viet
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nam duoc » nam thuoc, da duoc, dat duoc
duoc xa » duoc ma, duoc va, duoc ha
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu va » hieu qua
xa sinh » va sinh, xuan sinh, hoa sinh
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 (lieu va)) nam duoc xa sinh viec ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang ma hoi. ((hieu va) OR (lieu va)) nam duoc xa sinh viec ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang ma hoi. ((hieu va) or (lieu va)) nam duoc xa sinh viec ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ma hoi. ((hieu va) or (lieu va)) nam duoc xa sinh viec ((cua triet) OR (cua viet))*.