Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
than cao » toan cao, thai cao, than cap

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) or (cua dang)) ((cong ban) OR (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh tranh ((cua dung) OR (cua dang)) ((cong ban) OR (cong san)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh tranh ((cua dung) or (cua dang)) ((cong ban) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh tranh ((cua dung) or (cua dang)) ((cong ban) OR (cong san)) than cao*.