Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
phan cong » thanh cong
thanh cau » thanh chau, nhanh cau, thanh ca
thanh mau » hanh mau, thanh san, thanh hai
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
han cong » hang cong, hanh cong, han tong
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh trinh ((han cong) OR (phan cong)) cong san ((thanh cau) or (thanh mau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh trinh ((han cong) OR (phan cong)) cong san ((thanh cau) OR (thanh mau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh trinh ((han cong) OR (phan cong)) cong san ((thanh cau) or (thanh mau))*".