Perhaps you should try some spelling variations:
tieu sach » chieu sach, te sach, viet sach
dien sach » dien anh
chinh cua » chinh ca, chinh sua, hinh cua
tong dong » trong dong, tuong dong, thong dong
cua tong » cua cong, cua dong, cua nong
dong san » cong san, dong bang, dong von
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 chinh cua tong dong san ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (dien sach)) - hanh chinh cua tong dong san ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) or (dien sach)) - hanh chinh cua tong dong san ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) or (dien sach)) - hanh chinh cua tong dong san ((toan cau) OR (toan tap))*.