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