Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi le doan snippets" » "thi le doan snippets", "hoi le doan snippets", "thong le doan snippets", "thoi le dan snippets", "thoi ly doanh snippets", "thoi 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: (((("thoi 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: (((("thoi le doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi le doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi le doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.