Perhaps you should try some spelling variations:
thanh moi » thanh loi, thanh hoa, thanh hai
ban thanh » ban hanh, ban hang
cua tre » cua te, cuu tre, cua triet
cau luc » cau truc, cau phuc
moi cua » hoi cua, doi cua, moi quan
dau luc » dau luan, dau nuoc, dau luot
hieu va » hieu qua
nang xa » nang x, lang xa, nang ma
xac ky » cac ky, sac ky, bac ky
su xac » pu xac, su cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky nang xa hoi. ((hieu va) or (lieu va)) ((dau luc) OR (cau luc)) ban thanh moi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky nang xa hoi. ((hieu va) OR (lieu va)) ((dau luc) OR (cau luc)) ban thanh moi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su xac ky nang xa hoi. ((hieu va) or (lieu va)) ((dau luc) OR (cau luc)) ban thanh moi cua tre".
• Adding a wildcard symbol may retrieve word variants: su xac ky nang xa hoi. ((hieu va) or (lieu va)) ((dau luc) OR (cau luc)) ban thanh moi cua tre*.