Perhaps you should try some spelling variations:
kho tang » cao tang
ban hanh » ban hang
cac kho » cac khoi, cac khoa, cac khu
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
cham so » cham o, ham so, cham hoi
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac kho tang ma hoi. hieu ve ((cham so) or (cham soc)) ban hanh ((vi cua) OR (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac kho tang ma hoi. hieu ve ((cham so) OR (cham soc)) ban hanh ((vi cua) OR (vai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac kho tang ma hoi. hieu ve ((cham so) or (cham soc)) ban hanh ((vi cua) OR (vai cua)) tre*".