Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
van dung » van dong, xay dung, tin dung
cua tre » cua te, cuu tre, cua triet
van hoc » van hoa
tai cua » thai cua, tai cuc, tri cua
tuc van » thuc van, truc van, tuc va
va tham » van tham, va cham, va thanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang van hoc. hieu ((((va cam) or (va tham))) or (vo co)) tuc van dung tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang van hoc. hieu ((((va cam) OR (va tham))) OR (vo co)) tuc van dung tai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang van hoc. hieu ((((va cam) or (va tham))) or (vo co)) tuc van dung tai cua tre*.