Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tranh ve » trinh ve, thanh ve, tranh va
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu nganh - canh tranh ve ((nhung cong) OR (thong cong)) bai ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu nganh - canh tranh ve ((nhung cong) OR (thong cong)) bai ((toan cau) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu nganh - canh tranh ve ((nhung cong) OR (thong cong)) bai ((toan cau) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho hieu nganh - canh tranh ve ((nhung cong) OR (thong cong)) bai ((toan cau) or (van ban))*.