Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
manh cua » ban cua
cong dan » cong san, cong tan, huong dan
than tap » toan tap, phan tap, than cap
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - canh ((manh cua) or (doanh cua)) thong cong dan ((than tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((manh cua) OR (doanh cua)) thong cong dan ((than tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((manh cua) or (doanh cua)) thong cong dan ((than tap) or (han tap))*.