Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trung cap » trung tam
cong hinh » cong vinh, cong tinh, hong hinh
hinh toan » tinh toan, thanh toan, trinh 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 - hanh ((trung cap) OR (truong cao)) nhung cong hinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((trung cap) OR (truong cao)) nhung cong hinh toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trung cap) OR (truong cao)) nhung cong hinh toan cau*.