Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
cap dung » cao dung, chan dung, cach dung
toan cau » toan cao, toan ban, toan tap
ap dung » xay dung, van dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh trung ((cap dung) OR (ap dung)) ((cong thanh) or (dong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((cap dung) OR (ap dung)) ((cong thanh) OR (dong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cap dung) OR (ap dung)) ((cong thanh) or (dong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cap dung) OR (ap dung)) ((cong thanh) or (dong thanh)) toan cau*.