Perhaps you should try some spelling variations:
chat long » chat luong, hai long, ha long
thanh le » thinh le, thanh ve, thanh liem
thanh de » hanh de, thanh ve, thanh do
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
long va » luong va, long van, blong va
cua tre » cua te, cuu tre, cua triet
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 ky nang ma hoi. hieu va chat long va ((thanh le) OR (thanh de)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ma hoi. hieu va chat long va ((thanh le) OR (thanh de)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu va chat long va ((thanh le) OR (thanh de)) cua tre*.