Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung phan » trung thanh, trung ha, dung phan
phan chung » phan cung, phan hung, phan thuong
chung cong » nhung cong, chong cong, phung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan cau » toan ban, toan tai
toan cao » toan ban
toan tap » toan ban

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 trung phan chung cong san ((toan cau) or (((toan cao) OR (toan tap))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung phan chung cong san ((toan cau) OR (((toan cao) OR (toan tap)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trung phan chung cong san ((toan cau) or (((toan cao) OR (toan tap))))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung phan chung cong san ((toan cau) or (((toan cao) OR (toan tap))))*.