Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan trao cuu snippets" » "tan tran cuu snippets", "tan tra cuu snippets", "tan tao cu snippets", "tan tro cua 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 cuu 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 cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan trao cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan trao cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.