Perhaps you should try some spelling variations:
tham luc » than luc, tham nuoc, tham thuc
lang van » dang van, tang van, hoang van
tai cuu » tai cuc, tai cua, thai cua
va hanh » van hanh, va thanh, va danh
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
van hoe » van hoa, van hoc, van hieu
ky lang » ky nang, ky dang, ky tang
luc va » duc va, tuc va, loc va
te ban » te bao
te sac » te sach, te cac, te san

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 ban)) ky lang van hoe. hieu va tham luc va hanh ((tai cuu) OR (tai buu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te ban)) ky lang van hoe. hieu va tham luc va hanh ((tai cuu) OR (tai buu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te ban)) ky lang van hoe. hieu va tham luc va hanh ((tai cuu) OR (tai buu)) tre".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te ban)) ky lang van hoe. hieu va tham luc va hanh ((tai cuu) OR (tai buu)) tre*.