Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh mang » nhanh mang, hanh trang, nhanh lang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
mang va » mang vua, hang va, bang va
va lang » va nang, hoa lang
than ma » than man, than va, khan ma

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 mang va lang ((cong san) OR (cong tac)) than ma~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh mang va lang ((cong san) OR (cong tac)) than ma".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh mang va lang ((cong san) OR (cong tac)) than ma*.