Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan trao dot snippets" » "tan tran dot snippets", "tan trao doi snippets", "tan tao dat snippets", "tan tao doi 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: (((("tan trao dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan trao dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan trao dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan trao dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.