Perhaps you should try some spelling variations:
dang xay » dang van, van xay
ve triet » va trien, su triet
te sach » toc sach
lang xa » lang ha, lang van
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
ve ve » de ve, va ve, ke ve

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 y ((lang xa) or (dang xay)) hoi. hieu ve cam tuc va hanh ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang xa) OR (dang xay)) hoi. hieu ve cam tuc va hanh ve ve triet.
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (dang xay)) hoi. hieu ve cam tuc va hanh ve ve triet*.