Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh le doan snippets" » "dinh le doan snippets", "manh le doan snippets", "minh ve doan snippets", "minh le dan snippets", "minh ly doanh snippets", "minh le hoang 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: (((("minh le doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh le doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh le doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh le doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.