Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
mai khoi » mai khoa, tai khoa, cac khoi
so thao » soan thao, hoi thao
ky sang » ky nang, ky dang, ky tang
so chao » so chat, so cho, so khao
vi cua » vai cua, di cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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 ky sang ((ma hoi) or (mai khoi)). hieu ((so chao) or (so thao)) tu va thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky sang ((ma hoi) OR (mai khoi)). hieu ((so chao) OR (so thao)) tu va thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: tu san ky sang ((ma hoi) or (mai khoi)). hieu ((so chao) or (so thao)) tu va thanh vi cua tu*.