Perhaps you should try some spelling variations:
van thanh » ban thanh
van hanh » ban hanh, van anh, van ban
van tuan » van quan, van ban, anh tuan
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
qua ca » qua cac, qua cua, qua cai
ca xuc » cam xuc, chat xuc
vi cua » vai cua, di cua

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 ky nang xa hoi. hieu qua ca xuc ((van hanh) or (((van thanh) OR (van tuan)))) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu qua ca xuc ((van hanh) OR (((van thanh) OR (van tuan)))) vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu qua ca xuc ((van hanh) or (((van thanh) OR (van tuan)))) vi cua tre*".