Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
tham luc » than luc, tham nuoc, tham thuc
lang van » dang van, tang van, hoang 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
ky lang » ky nang, ky dang, ky tang
luc va » duc va, tuc va, loc va
te san » te ban, ke san, tu san
te sac » te sach, te 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 sac) or (te san)) ky lang 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 sac) OR (te san)) ky lang van hoi. hieu va tham luc va hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te san)) ky lang van hoi. hieu va tham luc va hanh tai cua tre*.