Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hoc mot snippets" » "phap hoc mot snippets", "phan hoa mot snippets", "phau hoc mot snippets", "phan hoc moi 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 hoc mot 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 hoc mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan hoc mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hoc mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.