Perhaps you should try some spelling variations:
phung thanh » phuong thanh, phong thanh, nhung thanh
thieu sach » chieu sach, thien hach, hieu cach
hung thanh » nhung thanh, hung thang, dung thanh
thong cong » trong cong, tong cong, thong thong
cong van » cong vang, cong san, song van
ban hanh » ban hang
can ban » van ban, 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: toc thieu sach - manh ((hung thanh) OR (phung thanh)) thong cong van ((ban hanh) or (can ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - manh ((hung thanh) OR (phung thanh)) thong cong van ((ban hanh) OR (can ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - manh ((hung thanh) OR (phung thanh)) thong cong van ((ban hanh) or (can ban))".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - manh ((hung thanh) OR (phung thanh)) thong cong van ((ban hanh) or (can ban))*.