Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong tac » cong ty
than ma » than man, khan ma, nhan ma
than va » thanh va, nhan va, toan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trinh cua nhung cong tac ((than ma) OR (than va))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh trinh cua nhung cong tac ((than ma) OR (than va))*".