Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach ly chan snippets" » "sach y chan snippets", "sach lo chan snippets", "sach ty chan snippets", "sach ly chat snippets", "sach ly nhan snippets", "sach le chan 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 ly chan 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 ly chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach ly chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach ly chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.