Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi cao sio2 snippets" » "hoi bao sio2 snippets", "hoi cao son snippets", "hoi cao so snippets", "hoc cao sio2 snippets", "hoi co sio2 snippets", "hoi cho 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: (((("hoi cao 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: "((((\"hoi cao sio2 snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( hoi cao sio2 snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cao sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.