Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung com mot snippets" » "dung co mot snippets", "dung cam mot snippets", "dung con mot snippets", "dung chon mot snippets", "dung cong mot 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 com mot 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 com mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung com mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung com mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.