Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"juan thi dai snippets" » "luan thi dai snippets", "juan zhi dai snippets", "xuan thai dai snippets", "juan thoi dai snippets", "juan thi mai snippets", "juan thi hai snippets", "juan thi dai slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using java snippets") or ("juan thi dai snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("juan thi dai snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( juan thi dai snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("juan thi dai snippets"))) or ("locating bug code snippets"))*.