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