Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
cua tre » cua te, cuu tre, cua triet
cam loc » cam lo
ky dang » ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
loc ban » lo ban, hoc ban, coc ban
vi cua » vai cua, di cua
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky dang) or (ky nang)) xay hoi. ((hieu ve) or (lieu va)) cam loc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky dang) OR (ky nang)) xay hoi. ((hieu ve) OR (lieu va)) cam loc ban thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ((ky dang) or (ky nang)) xay hoi. ((hieu ve) or (lieu va)) cam loc ban thanh vi cua tre*.