Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » thong cong, hang cong, nhung don
hoc chiet » hoc thiet, hoc nhiet, hoc hien
dung cong » dung trong
van thang » van thanh, van khang, van hang
thang cau » hang cau, thong cau, thanh chau
tranh va » tranh van, trang va, trinh va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - canh tranh va ((nhung cong) OR (dung cong)) van thang cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chiet tach - canh tranh va ((nhung cong) OR (dung cong)) van thang cau*".