Perhaps you should try some spelling variations:
thanh nam » hanh nam, thanh tam, thanh pham
thanh dam » thanh dat, thanh tam, thanh lam
hieu van » hieu va, thien van, lieu va
cuoi tre » tuoi tre, choi tre, cho tre
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
y nang » ky nang, ly nang, v nang
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 sach y nang xa hoi. hieu van cam tuc va ((thanh dam) OR (thanh nam)) cuoi tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu van cam tuc va ((thanh dam) OR (thanh nam)) cuoi tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu van cam tuc va ((thanh dam) OR (thanh nam)) cuoi tre*.