Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
thanh trung » thanh tung
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
doc hieu » toc thieu, hoc thieu, hoc hien
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (doc hieu)) sach - thanh trung dap nhung huong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (doc hieu)) sach - thanh trung dap nhung huong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doc hieu)) sach - thanh trung dap nhung huong dan chan cau*.