Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hieu van » thien van, lieu va, hieu ve
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
cau tuc » cau truc, cau tu, cau luc
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
ke san » ke dan
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa
te san » te ban, tu san, ta san
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 san) OR (ke san)) ky tang ma hoi. ((hieu van) or (hieu va)) cau tuc va hanh ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (ke san)) ky tang ma hoi. ((hieu van) OR (hieu va)) cau tuc va hanh ve ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te san) OR (ke san)) ky tang ma hoi. ((hieu van) or (hieu va)) cau tuc va hanh ve ve triet".
• Adding a wildcard symbol may retrieve word variants: ((te san) OR (ke san)) ky tang ma hoi. ((hieu van) or (hieu va)) cau tuc va hanh ve ve triet*.