Perhaps you should try some spelling variations:
manh trung » thanh trung, manh hung, sinh trung
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh tung » manh hung, thanh tung
dang cong » dung cong
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 ((hieu manh) or (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sang)) - ((manh trung) OR (manh tung)) cua dang cong dan toan cao*.