Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
chieu xanh » chieu sach, chieu sang, chieu tinh
lanh manh » lanh tranh, lan anh, van manh
hang cong » dang cong, hang nong, bang cong
luan phan » luan van, luan hoan
manh cua » doanh cua, ban cua
phan cau » phan dau, phan cac, phan tu

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 xanh) or (chinh sach)) - lanh manh cua ((nhung cong) OR (hang cong)) luan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - lanh manh cua ((nhung cong) OR (hang cong)) luan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chinh sach)) - lanh manh cua ((nhung cong) OR (hang cong)) luan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - lanh manh cua ((nhung cong) OR (hang cong)) luan phan cau*.