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