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