Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach di dong snippets" » "sach doi dong snippets", "sach de dong snippets", "sach dao dong snippets", "sach dien dong snippets", "sach hoi dong 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 di dong 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 di dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach di dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach di dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.