Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van tham » van thanh, van tuan, van chat
tham soc » cham soc, tham nuoc, thai son
va hanh » van hanh, va thanh, va danh
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van loi
cuu tre » cua tre, cau tren, cau treo
van hoe » van hoa, van hoc, van hieu
te san » te ban, ke san, tu san
soc va » hoc va, loc va, doc va
san ky » sang ky, van ky, dan ky
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 san ky lang ((van hoi) OR (van hoe)). hieu van tham soc va hanh vi ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky lang ((van hoi) OR (van hoe)). hieu van tham soc va hanh vi ((cuu tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky lang ((van hoi) OR (van hoe)). hieu van tham soc va hanh vi ((cuu tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te san ky lang ((van hoi) OR (van hoe)). hieu van tham soc va hanh vi ((cuu tre) or (cua te))*.