Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
cong sang » cong san, cong lang, cong vang
sang toan » sang than, dang toan, quang toan
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: doi ((chieu xanh) OR (chieu sang)) - thanh ((truong cua) or (truong cao)) thong cong sang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - thanh ((truong cua) OR (truong cao)) thong cong sang toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - thanh ((truong cua) or (truong cao)) thong cong sang toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sang)) - thanh ((truong cua) or (truong cao)) thong cong sang toan cau*.