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