Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap
ban cua » ban quan

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 (doi chieu)) sach - hanh ban cua nhung cong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (doi chieu)) sach - hanh ban cua nhung cong dan than tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (doi chieu)) sach - hanh ban cua nhung cong dan than tap*.