Perhaps you should try some spelling variations:
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
hieu van » hieu va, thien van, lieu va
vai cua » dai cua, hai cua, lai cua
su sach » vu sach
nang xa » nang x, lang xa, nang ma
so sach » so sanh, bo sach, co 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: ((su sach) or (so sach)) ky nang xa hoi. hieu van chat xuc ((van hanh) OR (ban hanh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang xa hoi. hieu van chat xuc ((van hanh) OR (ban hanh)) vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky nang xa hoi. hieu van chat xuc ((van hanh) OR (ban hanh)) vai cua tre*".