Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh chua » tranh cua, trinh chuan, tranh chap
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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