Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"qua da sio2 snippets" » "qua bao sio2 snippets", "qua cao sio2 snippets", "qua ca sio2 snippets", "qua di sio2 snippets", "qua va sio2 snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"qua da sio2 snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( qua da sio2 snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("qua da sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.