Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach hoc vo snippets" » "cach hoc vo snippets", "dich hoc vo snippets", "anh hoc vo snippets", "mach hoc va snippets", "mach hoc co snippets", "mach hoc vi 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: (((("mach hoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mach hoc vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach hoc vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach hoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.