Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc cong bo snippets" » "luoc cong bo snippets", "duc cong bo snippets", "luc dong bo snippets", "luc cong bao snippets", "luc cong so snippets", "luc cong co 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 cong bo 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 cong bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc cong bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc cong bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.