Perhaps you should try some spelling variations:
tinh viec » tinh viet, dinh viec, sinh viec
cua triet » cua viet, su triet, va triet
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
hieu va » hieu qua
nam loc » nam lo, nam moc, nam soc
loc may » hoc may, loc mau, loai may
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 ((nang ma) or (sang ma)) hoi. ((hieu va) or (lieu va)) nam loc may tinh viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang ma) OR (sang ma)) hoi. ((hieu va) OR (lieu va)) nam loc may tinh viec cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang ma) or (sang ma)) hoi. ((hieu va) or (lieu va)) nam loc may tinh viec cua triet*.