Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hinh xac slippers" » "van chinh xac slippers", "van thinh xac slippers", "van minh xac slippers", "van trinh xac slippers", "van tinh xach slippers", "van hinh xac slippery", "van hinh xac 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 hinh xac 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 hinh xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hinh xac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hinh xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.