Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap doi dan slippers" » "lap hoi dan slippers", "lap doi ban slippers", "lap doi dau slippers", "lap doi dan slippery", "lap doi dan grippers"
"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: (((("lap doi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap doi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap doi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap doi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.