Perhaps you should try some spelling variations:
chat long » chat luong, hai long, ha long
trinh ly » trinh ky, trinh do, trinh tu
thanh le » thanh ve, thanh de, thanh liem
te sach » toc sach
long va » luong va, long van, blong va
sach ty » sach y, sach tu, sach thu
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
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 ty nang ma hoi. hieu va chat long va ((thanh le) or (((thinh le) OR (trinh ly)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ma hoi. hieu va chat long va ((thanh le) OR (((thinh le) OR (trinh ly)))) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ma hoi. hieu va chat long va ((thanh le) or (((thinh le) OR (trinh ly)))) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ma hoi. hieu va chat long va ((thanh le) or (((thinh le) OR (trinh ly)))) cua tre*.