Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho nam hoc snippets" » "pho tam hoc snippets", "phong nam hoc snippets", "pham nam hoc snippets", "pho nam moc snippets", "pho nam hoi snippets", "pho am hoc 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: (((("pho nam hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho nam hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho nam hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho nam hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.