Perhaps you should try some spelling variations:
nhanh lang » nhanh thang, nhan dang, nhanh dong
dung cong » dung trong
ban tinh » ban thanh, quan tinh, ban hanh
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ban tinh) or (cuu tinh)) - ((nhanh lang) OR (nhanh quang)) cua dung cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ban tinh) OR (cuu tinh)) - ((nhanh lang) OR (nhanh quang)) cua dung cong san than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ban tinh) or (cuu tinh)) - ((nhanh lang) OR (nhanh quang)) cua dung cong san than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((ban tinh) or (cuu tinh)) - ((nhanh lang) OR (nhanh quang)) cua dung cong san than cap*.