Perhaps you should try some spelling variations:
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu lai
tu cai » tu cac, tu can, tu bai
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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

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