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 tan » cong tac, cong san, cong thanh
hang tai » hang va, dung tai
han tap » toan tap, nhan tai, nhan tao
han tai » nhan tai, van tai, toan tai

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