Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"su viet su slippers" » "so viet su slippers", "su viet suu slippers", "su viet sau slippers", "su viet tu slippers", "su viet su slippery", "su viet 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: (((("su viet 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: (((("su viet su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su viet su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su viet su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.