Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoa cao sio2 snippets" » "hoa bao sio2 snippets", "hoa cao son snippets", "hoa cao so snippets", "hoc cao sio2 snippets", "hoa co sio2 snippets", "hoa cac 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: (((("hoa cao sio2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa cao sio2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoa cao sio2 snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa cao sio2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.