Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
dung cong » dung trong
tang cua » mang cua, hang cua, tang luan
manh cua » doanh cua, ban cua
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu sang)) - anh ((tang cua) or (manh cua)) dung cong tac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - anh ((tang cua) OR (manh cua)) dung cong tac khan cap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - anh ((tang cua) or (manh cua)) dung cong tac khan cap*.