Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach cua phe snippets" » "manh cua phe snippets", "cach cua phe snippets", "sach cua phe snippets", "mach ca phe snippets", "mach cua che snippets", "mach cua he 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 cua phe 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 cua phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach cua phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach cua phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.