Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, hoc hien, hoc dieu
cong luan » cong tuan, dong luan, cong luong
tong luan » tang luan, dung luan, hang luan
cong hang » cong thang, cong hung, cong lang
hang hang » nang hang, cang thang, hung thang
ho chieu » theo chieu, hoc thieu, mot chieu

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 (ho chieu)) sach - thanh ((cong luan) or (tong luan)) nhung cong hang hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - thanh ((cong luan) OR (tong luan)) nhung cong hang hang va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - thanh ((cong luan) or (tong luan)) nhung cong hang hang va".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) sach - thanh ((cong luan) or (tong luan)) nhung cong hang hang va*.