Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
vinh cua » sinh cua, tinh cua, dinh cua
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 ((chat xuc) or (cham soc)) ((van hanh) or (ban hanh)) vinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu van ((chat xuc) OR (cham soc)) ((van hanh) OR (ban hanh)) vinh cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu van ((chat xuc) or (cham soc)) ((van hanh) or (ban hanh)) vinh cua tre*.