Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham sat » cham mat, cham soc, khao sat
sang cua » song cua, hang cua, tang cua
mang cua » manh cua, dung cua, ban cua
dong cua » dung cua, cong cua, huong cua
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sat van » sat va, hat van, hoat van
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky dang xa hoi. hieu vu cham sat van thanh ((((sang cua) or (mang cua))) or (dong cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. hieu vu cham sat van thanh ((((sang cua) OR (mang cua))) OR (dong cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu vu cham sat van thanh ((((sang cua) or (mang cua))) or (dong cua)) tre*.