Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tang » anh tang, hanh mang, hanh tung
cua nhung » va nhung
cong tuan » cong tan, cong luan, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
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 tang) or (hanh trang)) cua nhung cong tuan ((han tap) OR (han tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tang) OR (hanh trang)) cua nhung cong tuan ((han tap) OR (han tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tang) or (hanh trang)) cua nhung cong tuan ((han tap) OR (han tai))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tang) or (hanh trang)) cua nhung cong tuan ((han tap) OR (han tai))*.