Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang dung do snippets" » "nang dong do snippets", "dang dung do snippets", "rang dung do snippets", "nang dung doi snippets", "nang dung co snippets", "nang 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: (((("nang 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: (((("nang dung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.