Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
manh trung » thanh trung, manh hung, sinh trung
manh tung » manh hung, thanh tung
dang cong » dung cong
cong tinh » cong trinh, cong vinh, long tinh
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong tinh toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong tinh toan cao*".