Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
toan cau » 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 tranh cua dung ((cong thanh) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh tranh cua dung ((cong thanh) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh tranh cua dung ((cong thanh) or (cong tac)) toan cau*.