Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc ha doi snippets" » "vuc ha doi snippets", "duc ha doi snippets", "luc va doi snippets", "luc hoa doi snippets", "luc hat doi snippets", "luc ha noi 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 ha doi 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 ha doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc ha doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc ha doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.