Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
manh cua » doanh cua
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
ban cua » ban quan

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 (ban cua)) thong cong tac ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((manh cua) OR (ban cua)) thong cong tac ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh ((manh cua) or (ban cua)) thong cong tac ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((manh cua) or (ban cua)) thong cong tac ((toan cau) OR (toan tap))*.