Perhaps you should try some spelling variations:
ban hanh » ban hang
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre, cau tren, cau treo
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
vi cuu » vi luu, vinh cuu
tu san » thu san, tu can, vu san
tu ban » thu ban, te ban

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