Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan vi ca snippets" » "phan va ca snippets", "phan ve ca snippets", "phan bi ca snippets", "phan vit ca snippets", "phan li ca 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: (((("phan vi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan vi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan vi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan vi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.