Perhaps you should try some spelling variations:
van thang » van thanh, van khang, van hang
hanh luan » khanh luan, hang luan, hanh luat
dung cong » dung trong
van tang » van trang, van nang, van tan
luan tin » luan tinh, luat tin, xuan tin
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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) OR (van thang)) - hanh luan tin dung cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cap ((van tang) OR (van thang)) - hanh luan tin dung cong dan than cau*".