Perhaps you should try some spelling variations:
van thanh » van tuan
ban thanh » ban hanh, ban hang
hieu thi » sieu thi, hieu chi, hiep thi
thi cham » thi hai, toc cham, thi ha
cham sac » cham soc, pham sach, cap sac
ky sang » ky dang, ky tang, duy sang
dai hoi » dai hoc, dai hai, dai moi
tai cua » thai cua, tai cuc, tri cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ((ky sang) or (ky nang)) dai hoi. hieu thi cham sac ((van thanh) OR (ban thanh)) tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ((ky sang) OR (ky nang)) dai hoi. hieu thi cham sac ((van thanh) OR (ban thanh)) tai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ((ky sang) or (ky nang)) dai hoi. hieu thi cham sac ((van thanh) OR (ban thanh)) tai cua te".
• Adding a wildcard symbol may retrieve word variants: tu cac ((ky sang) or (ky nang)) dai hoi. hieu thi cham sac ((van thanh) OR (ban thanh)) tai cua te*.