Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh de » hanh de, thanh ve, thanh do
luc van » luoc van, luu van, duc van
xuc van » duc van, vuc van, xuc ban
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
qua cac » cua cac
de cua » le cua, te cua, dieu 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 ky ((nang xa) or (nang ma)) hoi. hieu qua cac ((xuc van) or (luc van)) thanh de cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang xa) OR (nang ma)) hoi. hieu qua cac ((xuc van) OR (luc van)) thanh de cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang xa) or (nang ma)) hoi. hieu qua cac ((xuc van) or (luc van)) thanh de cua triet*.