Perhaps you should try some spelling variations:
chieu sang » chieu sach, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trinh toan » tinh toan, thanh toan, trinh han
hieu lang » hieu quang, nhieu tang, hieu van
dang cong » dung cong
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cua dang » cua cong, cua ban
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: ho ((((chieu sang) OR (chieu xanh))) or (hieu lang)) - anh dung cua dang cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (chieu xanh))) OR (hieu lang)) - anh dung cua dang cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sang) OR (chieu xanh))) or (hieu lang)) - anh dung cua dang cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) OR (chieu xanh))) or (hieu lang)) - anh dung cua dang cong trinh toan cau*.