Perhaps you should try some spelling variations:
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
trang cua » tranh cua, tang cua, trung cua
tang luan » dung luan
thanh ban » thanh san, thanh bac, thanh bai
thanh van » thanh san, thanh toan, thanh phan
cong dan » cong san, cong tan, huong dan

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

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