Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
doi chieu » doc hieu, doi chi, ho chieu
trang vai » trang va, trang tai, trang giai
dung cong » dung trong
trang ap » trang anh, trang tai, trang lai
toan cau » toan cao, toan ban, toan tap
tang ap » tang van, tang tai, tang dan

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 ((((trang ap) OR (trang vai))) or (tang ap)) dung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((((trang ap) OR (trang vai))) OR (tang ap)) dung cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((((trang ap) OR (trang vai))) or (tang ap)) dung cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((((trang ap) OR (trang vai))) or (tang ap)) dung cong trinh toan cau*.