Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh dung » thanh duong, thanh tung, thanh hung
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
dung cua » dung luan, dung cho
cong san » cong tac
toan cao » toan tap
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: toc thieu sach - thanh dung cua thong cong san ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - thanh dung cua thong cong san ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh dung cua thong cong san ((toan cao) OR (toan ban))*.