Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) OR (thu sach)) - hanh trung cua nhung cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) OR (thu sach)) - hanh trung cua nhung cong dan toan cao*".