Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van tuan map slippers" » "van quan map slippers", "van ban map slippers", "anh tuan map slippers", "van xuan mai slippers", "van toan may slippers", "van tan mai slippers", "van tuan map slippery", "van tuan map grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 map 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 map slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van tuan map slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tuan map slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.