Perhaps you should try some spelling variations:
tay lang » tai lang, tay tang, tay quang
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va dung » van dung, va duong, vat dung
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 ((tay lang) or (ky nang)) van hoi. hieu va cam tuc va dung tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((tay lang) OR (ky nang)) van hoi. hieu va cam tuc va dung tai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ((tay lang) or (ky nang)) van hoi. hieu va cam tuc va dung tai cua tre*.