Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
cua triet » cua viet, su triet, va triet
van trinh » van thinh, van tinh, dan trinh
viec cac » vien cac, viec cua, viec lam
trinh vi » trinh va, trinh ve, trinh viet
mang xa » lang xa, mang may, dang xay
nang ma » tang ma, sang ma, nang cao
cac toc » cac toi, cac nuoc, cac thoi
toc van » hoc van, toc san, tac van
nang xa » nang x, lang xa, ang xa
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
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 ((((nang xa) or (mang xa))) or (nang ma)) hoi. nhieu viec cac toc van trinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((((nang xa) OR (mang xa))) OR (nang ma)) hoi. nhieu viec cac toc van trinh vi cua triet*.