Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » hanh chinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
he chieu » ho chieu, he nhieu, theo 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: he chieu sang - ((canh tranh) or (hanh trinh)) cua thong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he chieu sang - ((canh tranh) OR (hanh trinh)) cua thong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: he chieu sang - ((canh tranh) or (hanh trinh)) cua thong cong dan ((toan cau) or (toan ban))*.