Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac che tu slippers" » "cac he tu slippers", "cac chien tu slippers", "cac chat tu slippers", "cac che thuy slippers", "cac che tu slippery", "cac che 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: (((("cac che 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: (((("cac che tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac che tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac che tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.