Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cam tuc » cam xuc, cam tu, nam thuc
sach ly » sach lo, sach ty, sach hay
hieu ve » hieu va, hieu van
hang ca » hang va, nang cao, hang tai
ca hoi » cau hoi, cua hoi, xa hoi
ve cam » ve cham, ve cac, va cam
vi ve » va ve, gi ve, ve ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ly) or (sach y)) hang ca hoi. hieu ve cam tuc ((va hanh) or (va danh)) vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach y)) hang ca hoi. hieu ve cam tuc ((va hanh) OR (va danh)) vi ve triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ly) or (sach y)) hang ca hoi. hieu ve cam tuc ((va hanh) or (va danh)) vi ve triet*.