Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
hieu sach » chieu sach, hieu cach, dien sach
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
van phong » van dong, hai phong
doc hieu » toc thieu, hoc thieu, hoc hien
dan phan » doan phan, dan chan, dam phan
van phan » van thanh, luan phan, van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - hanh trinh cua nhung cong ((dan phan) or (((van phan) OR (van phong)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - hanh trinh cua nhung cong ((dan phan) OR (((van phan) OR (van phong)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu sach - hanh trinh cua nhung cong ((dan phan) or (((van phan) OR (van phong)))) cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh trinh cua nhung cong ((dan phan) or (((van phan) OR (van phong)))) cau*.