Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tieu sach » chieu sach, te sach, viet sach
dien sach » dien anh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
cua dung » cua dang, cua dong, qua dung
toan ban » 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: theo ((tieu sach) or (dien sach)) - hanh tranh cua dung cong manh ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (dien sach)) - hanh tranh cua dung cong manh ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) or (dien sach)) - hanh tranh cua dung cong manh ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) or (dien sach)) - hanh tranh cua dung cong manh ((toan tap) OR (toan ban))*.