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