Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach cap hon snippets" » "sach dao hon snippets", "sach bai hon snippets", "sach xa hon snippets", "sach ca hon snippets", "sach cao hon snippets", "sach cap han 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 cap hon 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 cap hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach cap hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cap hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.