Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach so chat snippets" » "mach so chat snippets", "sach lo chat snippets", "sach song chat snippets", "sach soat chat snippets", "sach cao chat 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 so chat 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 so chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach so chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach so chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.