Perhaps you should try some spelling variations:
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre, cau tren, cau treo
dua ban » dia ban, cua ban, qua ban
cam dua » ca dua, cay dua, chay dua
hieu ve » hieu va
san kho » san khoa, san cho, lan kho
tang ma » mang may, tang van
tang xa » trang xa, lang xa, tang ha
vi cuu » vi luu, vinh cuu
tu san » thu san, tu ban, tu can

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

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