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