Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh dung do snippets" » "dinh duong do snippets", "dinh hung do snippets", "tinh dung do snippets", "dinh dung doi snippets", "dinh dung co snippets", "dinh dung de 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: (((("dinh dung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh dung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh dung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh dung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.