Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh quan, trinh luan
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
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: ho chieu sang - hanh ((trinh cua) or (trinh luat)) nhung cong san ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((trinh cua) OR (trinh luat)) nhung cong san ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh ((trinh cua) or (trinh luat)) nhung cong san ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((trinh cua) or (trinh luat)) nhung cong san ((toan cau) OR (toan ban))*.