Perhaps you should try some spelling variations:
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
van tuan » van ban, anh tuan
van quan » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (thien hach)) - hanh mang cua nhung cong ((van tuan) OR (van quan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sach) OR (thien hach)) - hanh mang cua nhung cong ((van tuan) or (van quan)) ban~".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) OR (thien hach)) - hanh mang cua nhung cong ((van tuan) or (van quan)) ban*.