Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh dai » thanh hai, thanh tai, thanh dat
cuu tre » cau tren, cau treo
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
cua tre » cua te, cua triet, dua tren
duc ban » duc tan, duc van, dua ban
ve cham » va cham, ve chat, vu cham
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve cam » ve cac, va cam, ve cai
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: su sac ky tang ma hoi. hieu ((ve cam) or (ve cham)) duc ban thanh dai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang ma hoi. hieu ((ve cam) OR (ve cham)) duc ban thanh dai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky tang ma hoi. hieu ((ve cam) or (ve cham)) duc ban thanh dai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: su sac ky tang ma hoi. hieu ((ve cam) or (ve cham)) duc ban thanh dai ((cua tre) OR (cuu tre))*.