Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
thanh lap » thanh san, thanh hai, thanh van
hieu van » hieu va, thien van, lieu va
cam truc » cau truc, nam truc, lam truoc
phan lap » phan dau
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
truc va » thuc va, thuc vat, trung va
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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 nang ma hoi. hieu van cam truc va ((thanh lap) or (phan lap)) chat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu van cam truc va ((thanh lap) OR (phan lap)) chat triet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu van cam truc va ((thanh lap) or (phan lap)) chat triet*.