Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
khong tang » khong cang, khong thanh, kho tang
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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 tranh) OR (hanh chinh)) cua ((khong tang) OR (khong trong)) van tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tranh) OR (hanh chinh)) cua ((khong tang) OR (khong trong)) van tuan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tranh) OR (hanh chinh)) cua ((khong tang) OR (khong trong)) van tuan ban*.