Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
trong quang » truong quang, thong quang, trong quan
quang dung » quang trung, ung dung, cuong dung
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
cong san » cong tac
toan cao » toan tap
toan ban » van ban

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) OR (doi chieu)) sang - thanh trong quang dung cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sang - thanh trong quang dung cong san ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sang - thanh trong quang dung cong san ((toan cao) or (toan ban))*".