Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat bao son snippets" » "luat giao son snippets", "thuat bao son snippets", "luat dat son snippets", "luat bao ton snippets", "luat cao son snippets", "luat bac son 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: (((("luat bao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat bao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat bao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat bao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.