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