Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dung cong » dung trong
doc vien » hoc vien, doc tieng, duoc viet
doc viet » duoc viet, hoc viet, toc viet
dan phan » doan phan, dan chan, van 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: ((doc vien) or (doc viet)) nganh - canh tranh cua ((nhung cong) OR (dung cong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc vien) OR (doc viet)) nganh - canh tranh cua ((nhung cong) OR (dung cong)) dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc vien) or (doc viet)) nganh - canh tranh cua ((nhung cong) OR (dung cong)) dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ((doc vien) or (doc viet)) nganh - canh tranh cua ((nhung cong) OR (dung cong)) dan phan cau*.