Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh ve » hanh ve, thanh va, thanh vien
tu cham » toc cham, thi cham
vu kham » vu khanh
ky sang » ky nang, ky dang, ky tang
sac van » cac van, san van, sat van
ve cua » le cua, de cua, te cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, ma hoa, me hoi
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((ma hoi) OR (xa hoi)). hieu ((tu cham) OR (vu kham)) sac van thanh ve cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((ma hoi) OR (xa hoi)). hieu ((tu cham) or (vu kham)) sac van thanh ve cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((ma hoi) OR (xa hoi)). hieu ((tu cham) or (vu kham)) sac van thanh ve cua te*.