Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
ve cham » va cham, ve chat, vu cham
duc ban » duc tan, duc van, dua ban
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
cua te » cua tu
san ky » sang ky, van ky, dan ky
ve cam » ve cac, va cam, ve cai
ha hoi » hoa hoi, ha noi, xa hoi
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc san ky dang ha hoi. hieu ((ve cam) OR (ve cham)) duc ban thanh vi ((cua te) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc san ky dang ha hoi. hieu ((ve cam) OR (ve cham)) duc ban thanh vi ((cua te) OR (cua su))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc san ky dang ha hoi. hieu ((ve cam) OR (ve cham)) duc ban thanh vi ((cua te) or (cua su))*".