Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
te dan » te danh, tre dan, ke dan
dan ky » van ky
ve cau » va cau, ve cac, le cau
ke cau » ket cau
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te dan ky lang xa hoi. hieu ((ve cau) or (ke cau)) duc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te dan ky lang xa hoi. hieu ((ve cau) OR (ke cau)) duc ban thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te dan ky lang xa hoi. hieu ((ve cau) or (ke cau)) duc ban thanh vi cua tre*.