Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh tri » thanh tri, hanh tai, hanh trinh
nang ho » nang hoc, nang co, tang ho
hieu ve » hieu va, hieu van
cac xuc » cac nuoc, chat xuc, cac cuoc
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ho hai » hoc hai, pho hai, cho hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ho hai. hieu ve ((cac xuc) or (cam xuc)) ban hanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ho hai. hieu ve ((cac xuc) OR (cam xuc)) ban hanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ho hai. hieu ve ((cac xuc) or (cam xuc)) ban hanh tri cua tre*.