Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat con se snippets" » "nhan con se snippets", "nhat co se snippets", "nhap cong se snippets", "nhat con de snippets", "nhat con so 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: (((("nhat con se snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat con se snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat con se snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat con se snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.