Perhaps you should try some spelling variations:
quyen cap » quyen cach, huyen cao, quyen con
tien dung » tin dung, tieu dung, tien hung
dung cong » dung trong
cac khu » cac thu, cac khoi, cac kieu
cac che » cac he, cac chien, cac chat
cac chu » cac thu, ca chu, cac cau
ve ly » ve li, ve y, de ly
ve ky » va ky, ke ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: quyen cap ((((cac chu) or (cac khu))) or (cac che)) đe co ban ((ve ly) OR (ve ky)) tien dung cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quyen cap ((((cac chu) OR (cac khu))) OR (cac che)) đe co ban ((ve ly) OR (ve ky)) tien dung cong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen cap ((((cac chu) or (cac khu))) or (cac che)) đe co ban ((ve ly) OR (ve ky)) tien dung cong".
• Adding a wildcard symbol may retrieve word variants: quyen cap ((((cac chu) or (cac khu))) or (cac che)) đe co ban ((ve ly) OR (ve ky)) tien dung cong*.