Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
dinh sach » sinh sach, tinh sach, chinh sach
thanh ban » thanh san, thanh van, thanh bai
thanh bac » nhanh bac, thanh bai, thanh san
hoc dinh » hoc sinh, hoc kinh, hoc danh
trang va » hang va
tran van » luan van
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dinh sach - hanh ((trang va) or (tran van)) nhung cong san ((thanh ban) OR (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dinh sach - hanh ((trang va) OR (tran van)) nhung cong san ((thanh ban) OR (thanh bac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dinh sach - hanh ((trang va) or (tran van)) nhung cong san ((thanh ban) OR (thanh bac))".
• Adding a wildcard symbol may retrieve word variants: hoc dinh sach - hanh ((trang va) or (tran van)) nhung cong san ((thanh ban) OR (thanh bac))*.