Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi duoc anh slippers" » "doi cuoc anh slippers", "do duoc anh slippers", "dong duoc anh slippers", "doi duc anh slippers", "doi nuoc anh slippers", "doi quoc anh slippers", "doi duoc anh slippery", "doi duoc anh 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: (((("doi duoc anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi duoc anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi duoc anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi duoc anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.