Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, mang xa
cam luc » cam xuc, cau luc
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
va cam » va cham, va cac, va cao
te sac » te sach, te cac
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 sac) or (te san)) ky ((nang xa) or (nang ma)) hoi. hieu va cam luc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky ((nang xa) OR (nang ma)) hoi. hieu va cam luc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te san)) ky ((nang xa) or (nang ma)) hoi. hieu va cam luc va hanh vi cua tre*.