Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc cach co snippets" » "hoc cac co snippets", "hoc sach co snippets", "cuoc cach co snippets", "hoc cach con snippets", "hoc cach noi 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: (((("hoc cach co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc cach co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc cach co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc cach co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.