Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong san php slippers" » "cong san php slippers", "dong bang php slippers", "dong von php slippers", "dong san phu slippers", "dong san pham slippers", "dong ban phap slippers", "dong san php slippery", "dong san 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: (((("dong san 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: (((("dong san php slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong san php slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong san php slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.