Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
thanh lap » thanh san, phan lap, thanh hai
hieu van » thien van, lieu va, hieu ve
va thanh » gia thanh, ban thanh, va tinh
lap chat » lam chat, luan chat, phap chat
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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) OR (hieu va)) cam tuc va thanh lap chat triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. ((hieu van) OR (hieu va)) cam tuc va thanh lap chat triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. ((hieu van) OR (hieu va)) cam tuc va thanh lap chat triet*.