Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
manh trung » manh tung, thanh trung, sinh trung
trinh toan » tinh toan, thanh toan, trinh han
hoc chieu » hoc thieu, ho chieu, hoc hien
manh hung » anh huong
dang cong » dung cong
cua dang » cua cong, cua ban
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - ((manh trung) OR (manh hung)) cua dang cong trinh toan cao~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((manh trung) OR (manh hung)) cua dang cong trinh toan cao*.