Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van tuan tu slippers" » "van quan tu slippers", "van ban tu slippers", "anh tuan tu slippers", "van tuan thu slippers", "van tran tu slippers", "van toan tu slippers", "van tuan tu slippery", "van tuan tu 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 tuan tu 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 tuan tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van tuan tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tuan tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.