Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung cho kh slippers" » "dung cho ky slippers", "dung cho k1 slippers", "dung cho ke slippers", "dung cho kh slippery", "dung cho kh 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: (((("dung cho kh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cho kh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cho kh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cho kh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.