Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh cho can snippets" » "trinh cho can snippets", "tinh cao can snippets", "tinh co can snippets", "tinh cho cac snippets", "tinh cho phan snippets", "tinh cho cong snippets"
"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: (((("tinh cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.