Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan chi van slippers" » "luan thi van slippers", "luan chu van slippers", "quan chi van slippers", "lan chi van slippers", "luan chi van slippery", "luan chi van 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: (((("luan chi van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan chi van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan chi van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan chi van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.