Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
sang cua » mang cua, song cua, hang cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
san cua » ban cua, dan cua, nan cua

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 - thanh ((san cua) OR (sang cua)) nhung cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - thanh ((san cua) OR (sang cua)) nhung cong dan toan ban*".