Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
cua thong » cua thuong, cua khong, cua tong
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
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 - thanh tuong cua thong ((cong tap) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tuong cua thong ((cong tap) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tuong cua thong ((cong tap) OR (cong tac)) toan cau*.