Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu tiem cong snippets" » "tu tien cong snippets", "tu tiep cong snippets", "tu thien cong snippets", "tu liem cong snippets", "tu tim cong snippets", "tu tieng 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: (((("tu tiem cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tiem cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu tiem cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tiem cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.