Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nhe cac sio2 snippets" » "nhe cao sio2 snippets", "nhe bao sio2 snippets", "nhe sic sio2 snippets", "he cac sio2 snippets", "nghe cao sio2 snippets", "nghe cnc sio2 snippets"

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

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