Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
thanh chau » thanh cha, thanh cham, thanh chu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
trung am » trung tam, trung nam, trung dam
cong van » cong vang, cong san, song van
thanh ca » thanh cha, thanh cac, thanh ha
am dung » am duong, lam dung, ap dung

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 am dung cong van ((thanh ca) or (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung am dung cong van ((thanh ca) OR (thanh chau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung am dung cong van ((thanh ca) or (thanh chau))*.