Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh manh » lanh manh, canh tranh, cach mang
hang cong » dang cong, hang nong, bang cong
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
phan can » phan cang, phan van, phan lan
phan cac » nhan cach, phan dau, phan lap

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)) - canh manh cua hang cong trinh ((phan can) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - canh manh cua hang cong trinh ((phan can) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - canh manh cua hang cong trinh ((phan can) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - canh manh cua hang cong trinh ((phan can) or (phan cac))*.