Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc bang dan slippers" » "hoc bong dan slippers", "hoc dan dan slippers", "hoc bai dan slippers", "hoc ban dan slippers", "hoc tang dan slippers", "hoc bung dan slippers", "hoc bang dan slippery", "hoc bang 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: (((("hoc bang 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: (((("hoc bang dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc bang dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc bang dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.