Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » thong cong, hang cong, nhung don
minh tuan » anh tuan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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