Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
lang van » dang van, tang van, hoang van
cac xuc » cam xuc, cac nuoc, chat xuc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va danh, ban hanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve cac » va cac, vien cac

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 (lang van)) hoi. hieu ve cac xuc ((va hanh) OR (va thanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang xa) OR (lang van)) hoi. hieu ve cac xuc ((va hanh) OR (va thanh)) vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang xa) or (lang van)) hoi. hieu ve cac xuc ((va hanh) OR (va thanh)) vai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang xa) or (lang van)) hoi. hieu ve cac xuc ((va hanh) OR (va thanh)) vai cua triet*.