Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai cac bo snippets" » "khai thac bo snippets", "thoai cac bo snippets", "tai cac bo snippets", "khai can bo snippets", "khai bac bo snippets", "khai cac 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: (((("khai cac 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: (((("khai cac bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai cac bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai cac bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.