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
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
chay nan » chai nang, chae ran, cham nen
chan nan » chan nhan, chang nang, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trinh cua nhung cong san ((chay nan) OR (chan nan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh cua nhung cong san ((chay nan) OR (chan nan))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh cua nhung cong san ((chay nan) OR (chan nan))*.