Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, doi chieu, mot chieu
van phan » van phong, van thanh, luan phan
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) or (hoc thieu)) xanh - canh tranh cua ((nhung cong) OR (hang cong)) van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh tranh cua ((nhung cong) OR (hang cong)) van phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - canh tranh cua ((nhung cong) OR (hang cong)) van phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - canh tranh cua ((nhung cong) OR (hang cong)) van phan cau*.