Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
dau cua » dai cua, day cua, cau cua
nang co » nang cao, nang doc, nang noi
hieu vu » hieu va, hieu ve, hieu su
va dan » ca dan, va dao, va dau
sac ky » cac ky, sai ky
co hoi » co hoc, co loi
vu cam » vu cham, vu cao, va cam

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 ky) or (sach y)) nang co hoi. hieu vu cam xuc ((va hanh) or (va dan)) dau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (sach y)) nang co hoi. hieu vu cam xuc ((va hanh) OR (va dan)) dau cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (sach y)) nang co hoi. hieu vu cam xuc ((va hanh) or (va dan)) dau cua tre*.