Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
thang nong » thang long, hang nong, tang nong
van thang » van thanh, van khang, van hang
chi sach » chinh sach, chieu sach, co sach
nong dan » cong dan, nong san, nguong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - ((hanh trang) or (hanh trinh)) van thang nong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((hanh trang) OR (hanh trinh)) van thang nong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((hanh trang) or (hanh trinh)) van thang nong dan toan tap*.