Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu sach » chinh sach, chiet tach, chieu sang
manh tung » manh hung, thanh tung
phan cong » thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
ban cong » bang cong, van cong, ban huong
doan van » doan va, hoang van, luan van

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 - ((manh tung) or (hanh trang)) cua ((ban cong) or (phan cong)) doan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((manh tung) OR (hanh trang)) cua ((ban cong) OR (phan cong)) doan van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((manh tung) or (hanh trang)) cua ((ban cong) or (phan cong)) doan van ban*.