Perhaps you should try some spelling variations:
khanh luan » khanh thuan, doanh luan, hang luan
hanh luan » hang luan, hanh luat, han luan
dung cong » dung trong
van tang » van thang, van trang, van nang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
cap van » cac van, cao van, tap van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cap van tang - ((hanh luan) OR (khanh luan)) tin dung cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cap van tang - ((hanh luan) OR (khanh luan)) tin dung cong dan than cau*".