Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
vanh tri » van tri, vanh tai, thanh tri
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
xuc va » tuc va, luc va, xac va

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 x ho. hieu va cam ((xuc va) OR (duc va)) vanh tri ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x ho. hieu va cam ((xuc va) OR (duc va)) vanh tri ((cua tre) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x ho. hieu va cam ((xuc va) OR (duc va)) vanh tri ((cua tre) or (cau treo))*".