Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc tiem cua snippets" » "luc tieng cua snippets", "luc thien cua snippets", "luc thiet cua snippets", "luc tiep cua snippets", "luc tien cua snippets", "luc diem cua 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 tiem cua 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 tiem cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc tiem cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc tiem cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.