Perhaps you should try some spelling variations:
hoc thanh » hoc nhanh, hoan thanh, hoc phan
thanh hai » thanh phan, thanh hoa, thanh san
lang van » dang van, tang van, hoang van
hanh hai » nhanh hai, hang hai, hanh tai
thanh ky » hanh ky, than ky, thanh tay
cua tre » cua te, cuu tre, cua triet
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky tang
va cao » va cac, va co, va dao
ve cao » ve bao, ve cac, ve co

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thanh ky lang van hoi. hieu ((ve cao) or (va cao)) duc va ((hanh hai) or (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thanh ky lang van hoi. hieu ((ve cao) OR (va cao)) duc va ((hanh hai) OR (thanh hai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc thanh ky lang van hoi. hieu ((ve cao) or (va cao)) duc va ((hanh hai) or (thanh hai)) cua tre*.