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