Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc khac bo snippets" » "thuc khac bo snippets", "luc hoc bo snippets", "luc nhat bo snippets", "luc khac do snippets", "luc khac co snippets", "luc khac mo 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 khac 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 khac bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc khac bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc khac bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.