Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
da tuc » dao tuc, va tuc, da tu
da tac » va tac, da tai, da tao
va dau » va dao
dau vi » dau ve, dau va, dat vi
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty lang xa hoi. nhieu viec ((da tuc) or (da tac)) va dau vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty lang xa hoi. nhieu viec ((da tuc) OR (da tac)) va dau vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty lang xa hoi. nhieu viec ((da tuc) or (da tac)) va dau vi cua triet*.