Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan cai tu slippers" » "lao cai tu slippers", "lang chai tu slippers", "lan cuoi tu slippers", "lan tai tu slippers", "lan mai tu slippers", "lan cai tu slippery", "lan cai tu 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 tu 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 tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan cai tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan cai tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.