Perhaps you should try some spelling variations:
"ben chi doan snippets" » "ben chi code snippets", "ben chi dan snippets", "ben thi doan snippets", "ben chi toan snippets", "ban chi doan snippets", "banh chi doan snippets", "benh cho doan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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 ("ben chi doan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ben chi doan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ben chi doan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ben chi doan snippets"))) or ("locating bug core snippets"))*.