Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi vat cheo snippets" » "phi hat cheo snippets", "phi vat co snippets", "phi ban cheo snippets", "phi va cheo snippets", "phi van cheo snippets", "phap vat cheo 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: (((("phi vat cheo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi vat cheo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi vat cheo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi vat cheo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.