Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua triet » su triet, va triet
thanh moi » thanh loi, thanh hoa, thanh hai
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
te bai » te bao, te tai, te ban
tu ban » thu ban, te ban
cam tu » cam thu, nam tu, dam tu
bai ky » ban ky, sai ky, bac ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bai ky ((nang xa) or (sang ma)) hoi. hieu ve cam tu ban thanh moi ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bai ky ((nang xa) OR (sang ma)) hoi. hieu ve cam tu ban thanh moi ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te bai ky ((nang xa) or (sang ma)) hoi. hieu ve cam tu ban thanh moi ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te bai ky ((nang xa) or (sang ma)) hoi. hieu ve cam tu ban thanh moi ((cua triet) OR (cua viet))*.