Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac tiem can snippets" » "dac diem can snippets", "dac biet can snippets", "dac tinh can snippets", "dac tiep can snippets", "dac tiem nang snippets", "dac dieu can 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: (((("dac tiem can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac tiem can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac tiem can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac tiem can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.