Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap danh co snippets" » "phap dinh co snippets", "nhap doanh co snippets", "phap nang co snippets", "phap danh cho snippets", "phap doanh co snippets", "phap anh co 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: (((("phap danh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap danh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap danh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap danh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.