Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
tranh cua » doanh cua, manh cua
ban cong » bang cong, phan cong, ban huong
van cong » van dong, van phong, phan cong
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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