Perhaps you should try some spelling variations:
thanh nam » hanh nam, thanh tam, thanh pham
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
nam thuc » nam thuoc, am thuc, nam thu
tu cach » tu cac
cam tuc » cam xuc, cam tu, dam thuc
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ty nang xa hoi. hieu van ((cam tuc) or (nam thuc)) va thanh nam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ty nang xa hoi. hieu van ((cam tuc) OR (nam thuc)) va thanh nam cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ty nang xa hoi. hieu van ((cam tuc) or (nam thuc)) va thanh nam cua tre*.