Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc hay cac snippets" » "luc ha cac snippets", "xuc hay cac snippets", "luc nhat cac snippets", "luc tay cac snippets", "luc vay cac snippets", "luc phan cac 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: (((("luc hay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc hay cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc hay cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc hay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.