Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
ban hanh » ban hang
ve chat » va chat, van chat
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu bai » tu ban, tu bat, te bai
di cua » dai cua, doi cua, de cua
tu sai » tu san, tu cai, tu lai

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 bai)) ky nang xa hoi. hieu ve chat luc ((ban hanh) or (va danh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sai) OR (tu bai)) ky nang xa hoi. hieu ve chat luc ((ban hanh) OR (va danh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu bai)) ky nang xa hoi. hieu ve chat luc ((ban hanh) or (va danh)) di cua tre*.