Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung cap » truong cao, trung tam
van thang » van thanh, van khang, van hang
ho chieu » theo chieu, hoc thieu, doi chieu
cau cong » cac cong, cuu cong, cao cong
dan than » dan chan, ban than, van than
cap cau » cap cuu, ca cau, cac cau

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 cap cau cong ((tinh toan) or (((dan than) or (van thang)))) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung cap cau cong ((tinh toan) OR (((dan than) OR (van thang)))) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung cap cau cong ((tinh toan) or (((dan than) or (van thang)))) cao*.