Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » chat xuc, cham soc, pham duc
tu sach » thu sach, te sach, tu cach
hanh di » hanh vi, hanh de, hang di
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
v nang » va nang, vu nang, van nang
di cua » dai cua, doi cua, de cua

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