Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc con song snippets" » "hoc can song snippets", "hoc con hong snippets", "hoc cuoc song snippets", "hoc cong song snippets", "hoc cuon song snippets", "hoc co song snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc con song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc con song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc con song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc con song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.