Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sang » chieu sach, chieu xanh, hieu lang
canh manh » lanh manh, cach mang, van manh
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
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 - ((canh manh) or (canh tranh)) va thong cong dan ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((canh manh) OR (canh tranh)) va thong cong dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((canh manh) or (canh tranh)) va thong cong dan ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((canh manh) or (canh tranh)) va thong cong dan ((toan cau) OR (toan cao))*.