Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
cong tan » cong thanh, cong ty, cong ha

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 sang - thanh tuong cua nhung ((((cong san) or (cong tac))) or (cong tan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh tuong cua nhung ((((cong san) OR (cong tac))) OR (cong tan)) van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh tuong cua nhung ((((cong san) or (cong tac))) or (cong tan)) van ban*.