Perhaps you should try some spelling variations:
thanh luc » thanh luu, than luc, nhan luc
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
lang van » dang van, tang van, hoang van
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va, hieu qua
luc va » duc va, tuc va, loc va
te cac » tu cac, ve cac, te cao
te san » te ban, ke san, tu san
cua te » cua tu

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 (te san)) ky lang van hoi. hieu va thanh luc va hanh thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (te san)) ky lang van hoi. hieu va thanh luc va hanh thai cua te.
• Adding a wildcard symbol may retrieve word variants: ((te cac) or (te san)) ky lang van hoi. hieu va thanh luc va hanh thai cua te*.