Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chinh quan » chinh quyen, chinh ngan, trinh quan
chinh luan » chinh ngan, trinh luan, binh luan
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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 - hanh ((chinh quan) or (chinh luan)) tong cong san ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((chinh quan) OR (chinh luan)) tong cong san ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((chinh quan) or (chinh luan)) tong cong san ((toan cau) or (toan cao))*.