Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tham su slippers" » "dong tam su slippers", "hong tham su slippers", "dong thap su slippers", "dong tham du slippers", "dong tham su slippery", "dong tham su 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 tham su 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 tham su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tham su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tham su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.