Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hanh bang » anh bang, hanh mang, lanh bang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
bang he » bang khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh bang he thong cong tac ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh bang he thong cong tac ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh bang he thong cong tac ((toan cau) OR (toan ban))*.