Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, va hanh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
ve cam » ve cham, ve cac, va cam
cac tu » cac thu, cach tu, cac du

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac tu ((lang xa) or (nang ma)) hoi. hieu ve cam duc ((va danh) or (van hanh)) lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac tu ((lang xa) OR (nang ma)) hoi. hieu ve cam duc ((va danh) OR (van hanh)) lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac tu ((lang xa) or (nang ma)) hoi. hieu ve cam duc ((va danh) or (van hanh)) lai cua tre*.