Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu phu con snippets" » "khu phuc con snippets", "chau phu con snippets", "thuc phu con snippets", "khu phau con snippets", "khu phu can snippets", "khu thu cong 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: (((("khu phu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu phu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu phu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu phu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.