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