Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan thong » luan phong, luan tuong, luat thong
duong manh » duong van
cong thanh » dong thanh, cong trinh, cong tan
tac dung » sach dung, xay dung, tin dung
toan cau » toan cao, toan ban, toan tap

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 xanh) OR (chieu tinh)) - tac dung luan thong ((duong manh) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu tinh)) - tac dung luan thong ((duong manh) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu tinh)) - tac dung luan thong ((duong manh) or (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu tinh)) - tac dung luan thong ((duong manh) or (cong thanh)) toan cau*.