Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
tham luc » than luc, tham nuoc, tham thuc
nang van » dang van, tang van, lang van
hieu va » lieu va, hieu qua
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
va tham » van tham, va cham, va thanh
cua tre » cua te, cuu tre, cua triet
van hoi » van hoa, van hoc, van hoe
te san » te ban, ke san, tu san
luc va » duc va, tuc va, loc va
ve cac » va cac, vien cac
te cac » tu cac, te cao, de cac

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

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