Perhaps you should try some spelling variations:
than cua » nhan cua, thai cua, ban cua
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
dang ha » dong ha, dung ha, lang ha
ha hoi » hoa hoi, ha noi, xa hoi
hai ky » thai ky, hoi ky, sai ky
ve cam » ve cham, ve cac, va cam
hai ly » dai ly

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

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