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