Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
thanh chu » thanh chau, thanh cha, thanh thu
tranh va » tranh van, trang va, trinh va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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 tranh va nhung ((cong dan) or (cong tan)) ((thanh chu) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh tranh va nhung ((cong dan) OR (cong tan)) ((thanh chu) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh tranh va nhung ((cong dan) or (cong tan)) ((thanh chu) or (than cap))*.