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