Perhaps you should try some spelling variations:
thanh cha » thanh ha, thanh nha, thanh phan
thanh hoa » thanh pho
lang van » dang van, tang van, hoang van
cua tre » cua te, cuu tre, cua triet
ky lang » ky nang, ky dang, ky tang
van hoc » van hoa
vu sac » vu sach, vu san, va sac
ve dao » de dao, va dao, ve bao
sac ky » cac ky, sai ky
ve dat » de dat, va dat, viec dat

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky lang van hoc. hieu ((ve dat) OR (ve dao)) nuoc va ((thanh cha) or (thanh hoa)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky lang van hoc. hieu ((ve dat) OR (ve dao)) nuoc va ((thanh cha) OR (thanh hoa)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky lang van hoc. hieu ((ve dat) OR (ve dao)) nuoc va ((thanh cha) or (thanh hoa)) cua tre*".