Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan cap can snippets" » "luan lap can snippets", "luan chat can snippets", "luan van can snippets", "luan cap han snippets", "luan cap van snippets", "luan tap can 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 cap can 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 cap can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan cap can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan cap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.