Perhaps you should try some spelling variations:
tham doc » than doc, tham do, tham nuoc
lang van » dang van, tang van, hoang van
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
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
doc va » duoc va, hoc va, duc va
tu ban » thu ban, te ban
te san » te ban, ke san, tu 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 san) or (tu ban)) ky lang van hoe. hieu va tham doc va hanh vi ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (tu ban)) ky lang van hoe. hieu va tham doc va hanh vi ((cuu tre) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: ((te san) or (tu ban)) ky lang van hoe. hieu va tham doc va hanh vi ((cuu tre) or (cua tre))*.