Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
tran manh » tran minh, tran thanh, tran van
cong dan » cong san, cong tan, huong dan
than man » than ma, thanh san, than phan

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