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

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) OR (dang xay)) hoi. hieu vu cham sat van thanh ((hang cua) or (song cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((dang xa) OR (dang xay)) hoi. hieu vu cham sat van thanh ((hang cua) OR (song cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((dang xa) OR (dang xay)) hoi. hieu vu cham sat van thanh ((hang cua) or (song cua)) tre*".