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