Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
han tap » toan tap, nhan tai, nhan tao
han tai » hang tai, nhan tai, van 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 dung cong tan ((han tap) or (((han tai) or (dung tai))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh cua dung cong tan ((han tap) OR (((han tai) OR (dung tai)))).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh cua dung cong tan ((han tap) or (((han tai) or (dung tai))))*.