Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi gia cung snippets" » "phi gia cuong snippets", "phi gia cong snippets", "phi gi cung snippets", "phai gia cung 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 gia cung 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 gia cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi gia cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi gia cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.