Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong sang » cong san, cong lang, cong vang
hanh han » hanh nhan, hanh phan, hanh san
va thong » va thuong, va phuong, he thong
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac
han va » hang va, hanh va, nhan va

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 xanh) or (chieu sach)) - hanh han va thong cong sang ((than cao) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - hanh han va thong cong sang ((than cao) OR (than cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - hanh han va thong cong sang ((than cao) OR (than cap))*".