Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
tuan trong » thuan trong, toan trong, tan trong
quan trong » gian trong
tran trong » gian trong, tran hong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
khan ap » khan cap, han ap, khan dam

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 - thanh trung ((((tuan trong) OR (quan trong))) or (tran trong)) cong tac khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ((((tuan trong) OR (quan trong))) OR (tran trong)) cong tac khan ap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung ((((tuan trong) OR (quan trong))) or (tran trong)) cong tac khan ap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ((((tuan trong) OR (quan trong))) or (tran trong)) cong tac khan ap*.