Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach den di snippets" » "sach de di snippets", "sach dung di snippets", "mach dien di snippets", "sach dien di snippets", "sach den do snippets", "sach ben di 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: (((("sach den di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach den di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach den di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach den di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.