Perhaps you should try some spelling variations:
hieu cua » hieu qua, dieu cua, bieu cua
ban hang » ngan hang
hang tap » hang tai, han tap, hang tmcp
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
cac tac » cac toc, cac bac, cac dac
tac ban » tai ban, cac ban, tao ban
tap cua » tap quan, tiep cua
cua tre » cua te, cuu tre, cua triet
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: so sanh ky nang x hoi. hieu cua cac tac ban hang tap cua tre~.
• Adding a wildcard symbol may retrieve word variants: so sanh ky nang x hoi. hieu cua cac tac ban hang tap cua tre*.