Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van toi duoc slippers" » "van tao duoc slippers", "van hoa duoc slippers", "van hoc duoc slippers", "van tai duoc slippers", "van thi duoc slippers", "van toan duoc slippers", "van toi duoc slippery", "van toi duoc 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 toi duoc 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 toi duoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van toi duoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van toi duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.