Perhaps you should try some spelling variations:
kho tang » cao tang
va hanh » van hanh, va thanh, va danh
tang ma » mang may, tang van
hai cua » thai cua, dai cua, hoi cua
hieu ve » hieu van
vai cua » dai cua, lai cua, bai cua
ban kho » ban khi, ban pho, lan kho
hieu va » lieu va, hieu qua
tu ban » thu ban, te ban
cac tu » cac thu, cach tu, cac du
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban kho tang ma hoi. ((hieu ve) or (hieu va)) cac tu va hanh ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban kho tang ma hoi. ((hieu ve) OR (hieu va)) cac tu va hanh ((vai cua) OR (hai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu ban kho tang ma hoi. ((hieu ve) or (hieu va)) cac tu va hanh ((vai cua) or (hai cua)) tre*.