Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung dai » truong dai, truong dao, trung tam
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dai dung » dai duong, dan dung, mai dung
cong san » cong tac
toan cau » toan ban, toan tai
toan tap » toan ban
toan cao » toan 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 sang - thanh trung dai dung cong san ((((toan cau) OR (toan tap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung dai dung cong san ((((toan cau) OR (toan tap))) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung dai dung cong san ((((toan cau) OR (toan tap))) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung dai dung cong san ((((toan cau) OR (toan tap))) or (toan cao))*.