Perhaps you should try some spelling variations:
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
huong cuu » huong cua, huong cau, huong cuoc
cuu cong » cua cong, thu cong, cac cong
dong dan » dong danh, duong dan, dong san
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) sach - anh huong cuu cong dong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sach - anh huong cuu cong dong dan than cau*.