Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
dinh duc » minh duc, ninh duc, tinh duc
cuu tre » cua tre, cau treo
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
luc va » duc va, tuc va
anh ky » hanh ky, anh y, anh my
loc va » hoc va
va cam » va cham, va cac, va cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc anh ky nang xa hoi. hieu va cam ((luc va) or (loc va)) dinh duc ((cuu tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc anh ky nang xa hoi. hieu va cam ((luc va) OR (loc va)) dinh duc ((cuu tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: hoc anh ky nang xa hoi. hieu va cam ((luc va) or (loc va)) dinh duc ((cuu tre) or (cau tren))*.