Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
nam thuc » nam thuoc, am thuc, nam thu
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cuu tre » cua tre, cau tren, cau treo
te sach » toc sach
cam tuc » cam xuc, cam tu, dam thuc
nang ma » tang ma, sang ma, nang cao
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 tuc) OR (nam thuc)) va thanh san ((cuu tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu van ((cam tuc) OR (nam thuc)) va thanh san ((cuu tre) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu van ((cam tuc) OR (nam thuc)) va thanh san ((cuu tre) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu van ((cam tuc) OR (nam thuc)) va thanh san ((cuu tre) or (su triet))*.