Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
tranh hanh » tranh hang, trinh hanh, tran hanh
hanh nhung » anh nhung, canh nhung, doanh nhung
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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 tach - canh tranh hanh nhung cong ((dan toan) OR (van toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tach - canh tranh hanh nhung cong ((dan toan) OR (van toan)) cao*".