Perhaps you should try some spelling variations:
quang trong » quang truong, quang trung, quan trong
mot chieu » doi chieu
canh tinh » hanh tinh, manh tinh, canh tranh
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
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: ((mot chieu) or (ho chieu)) xanh - canh tinh quang trong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) xanh - canh tinh quang trong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) xanh - canh tinh quang trong cong dan ((toan cau) or (toan ban))*.