Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van huu tung slippers" » "van huy tung slippers", "van hau tung slippers", "san huu tung slippers", "van huu trung slippers", "van huu tuong slippers", "van huu dung slippers", "van huu tung slippery", "van huu tung 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: (((("van huu tung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van huu tung slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van huu tung slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van huu tung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.