Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha
dan toan » van toan, dan than, manh toan

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 sach - thanh trung va nhung cong ((dan toan) OR (((thanh toan) OR (tinh toan)))) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung va nhung cong ((dan toan) OR (((thanh toan) OR (tinh toan)))) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung va nhung cong ((dan toan) OR (((thanh toan) OR (tinh toan)))) cao*.