Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
cam luc » cau luc
kem cua » em cua, keo cua, diem cua
hieu va » lieu va, hieu qua
hieu ve » hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
san ky » sang ky, van ky, dan ky
te san » te ban, ke san, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky lang xa hoi. ((hieu ve) or (hieu va)) ((cam luc) or (cam xuc)) van hanh kem cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky lang xa hoi. ((hieu ve) OR (hieu va)) ((cam luc) OR (cam xuc)) van hanh kem cua tre.
• Adding a wildcard symbol may retrieve word variants: te san ky lang xa hoi. ((hieu ve) or (hieu va)) ((cam luc) or (cam xuc)) van hanh kem cua tre*.