Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat bao doc snippets" » "luat giao doc snippets", "thuat bao doc snippets", "luat dat doc snippets", "luat bao goc snippets", "luat bai doc snippets", "luat bao hoc 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat bao doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat bao doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.