Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
cua tre » cua te, cuu tre, cua triet
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
ha hoi » hoa hoi, ha noi, xa hoi
loc va » hoc va, luc va
vi cua » vai cua, di cua
te cac » ve cac, te cao, de cac

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