Perhaps you should try some spelling variations:
chiet tach » chieu sach
manh trong » manh truong, anh trong, manh trung
trong quan » thong quan, tong quan, thong quang
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
dan chan » dan gian, van chat
tinh » trinh, dinh, minh

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 tinh) or (chiet tach)) - manh trong quan nhung cong ((dan chan) OR (dan ca)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trieu tinh) OR (chiet tach)) - manh trong quan nhung cong ((dan chan) OR (dan ca)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trieu tinh) or (chiet tach)) - manh trong quan nhung cong ((dan chan) OR (dan ca)) cau*".