Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » thong cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tan toan » tan tran, tap toan, van toan
van quan » van ban

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 tinh - canh tranh cua ((nhung cong) or (dung cong)) ((tan toan) or (van quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tranh cua ((nhung cong) OR (dung cong)) ((tan toan) OR (van quan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh cua ((nhung cong) or (dung cong)) ((tan toan) or (van quan)) cao*.