Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan ve cap snippets" » "luat ve cap snippets", "luan va cap snippets", "quan ve cap snippets", "luan ve cac snippets", "luan le cap snippets", "luan ve cai 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: (((("luan ve cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan ve cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan ve cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan ve cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.