Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tiep danh » tieu danh, thien danh, tiep can
dung cong » dung trong
long cua » luong cua, dong cua, song cua
cong cua » cong cu, dong cua, huong cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (tiep danh)) - nhanh ((long cua) or (cong cua)) dung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (tiep danh)) - nhanh ((long cua) OR (cong cua)) dung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (tiep danh)) - nhanh ((long cua) or (cong cua)) dung cong dan toan cau*.