Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sinh viec » sinh vien, dinh viec, ninh viet
kho tang » cao tang
nam duoc » nam thuoc, da duoc, dat duoc
ma sinh » va sinh, xa sinh, hoa sinh
duoc ma » duoc lam
hieu va » hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
ky tang » ky nang, ky dang, ky trong
tu sac » tu sach, tu cac, tu san

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) or (kho tang)) mai hoi. ((hieu va) or (lieu va)) nam duoc ma sinh viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky tang) OR (kho tang)) mai hoi. ((hieu va) OR (lieu va)) nam duoc ma sinh viec cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky tang) or (kho tang)) mai hoi. ((hieu va) or (lieu va)) nam duoc ma sinh viec cua triet*.