Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
thanh chau » thanh cha, thanh cham, thanh chu
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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