Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung nam dan slippers" » "chung nam dan slippers", "nhung nam dan slippers", "sung nam dan slippers", "hung nam dinh slippers", "hung nam dan slippery", "hung nam 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: (((("hung nam 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: (((("hung nam dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung nam dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung nam dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.