Perhaps you should try some spelling variations:
nang hai » hang hai, nang tai, dang hai
hai noi » ha noi, hai moi, hay noi
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
tu bac » tu ban, tu cac, tu bat
tu san » thu san, tu ban, tu can
ve cam » ve cham, ve cac, va cam
ve cua » le cua, de cua, te 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 bac) or (tu san)) ky nang hai noi. hieu ve cam ((xuc van) or (suc manh)) hanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu san)) ky nang hai noi. hieu ve cam ((xuc van) OR (suc manh)) hanh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu san)) ky nang hai noi. hieu ve cam ((xuc van) or (suc manh)) hanh ve cua tre*.