Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
tranh chap » tranh cua, trinh chat
chieu sang » chieu sach, chieu xanh, hieu lang
chau tinh » cuu tinh, ha tinh, cua tinh
cong tang » cong thang, cong lang, cong vang
cong tan » cong tac, cong san, cong thanh
tan ca » tan cua, tang ca, dan ca

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