Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc quan mot snippets" » "hoc dan mot snippets", "tac quan mot snippets", "hoc phan mot snippets", "hoc qua mot snippets", "hoc quan doi snippets", "hoc quan sat 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 quan mot 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 quan mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc quan mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc quan mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.