Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach cua son snippets" » "cach cua son snippets", "mach cua son snippets", "sac cua son snippets", "sach cua song snippets", "sach cua san snippets", "sach cua con 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 cua son 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 cua son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach cua son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cua son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.