Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
tieu sach » chieu sach, dien sach, te sach
dap nhung » va nhung, dap ung, cam nhung
vap nhung » va nhung, ve nhung, voi nhung
phong van » phung van, thong van, phong va
tan ban » toan ban, tang ban, can ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh truong ((dap nhung) OR (vap nhung)) phong van ((tan ban) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh truong ((dap nhung) OR (vap nhung)) phong van ((tan ban) or (van ban))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh truong ((dap nhung) OR (vap nhung)) phong van ((tan ban) or (van ban))*.