Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phac do co snippets" » "khac do co snippets", "pham do co snippets", "phan do co snippets", "phac do cao snippets", "phac vo co snippets", "phac do bo 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: (((("phac do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phac do co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phac do co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phac do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.