Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van quan » van ban
quan soc » quan so, quan doc, quang hoc
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
va hanh » van hanh, va thanh, va danh
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
te ban » te bao
ban ky » van ky, dan ky
soc va » hoc va, loc va, doc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ban ky dang xa hoi. hieu van quan soc va hanh vi ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ban ky dang xa hoi. hieu van quan soc va hanh vi ((cuu tre) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: te ban ky dang xa hoi. hieu van quan soc va hanh vi ((cuu tre) or (cua tre))*.