Perhaps you should try some spelling variations:
quyen cap » quyen cach, huyen cao, quyen con
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cac khu » cac thu, cac khoi, cac kieu
cac che » cac he, cac chien, cac chat
ban van » ban dan, tan van, san van
y thuc » ty thuc, y thuoc, _ thuc

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 khu) or (cac che)) đe co ((ban van) or (ban va)) y thuc dung cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quyen cap ((cac khu) OR (cac che)) đe co ((ban van) OR (ban va)) y thuc dung cong.
• Adding a wildcard symbol may retrieve word variants: quyen cap ((cac khu) or (cac che)) đe co ((ban van) or (ban va)) y thuc dung cong*.