Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan quan doi snippets" » "tang quan doi snippets", "toan quan doi snippets", "van quan doi snippets", "tan quan tri snippets", "tan quan li 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 quan doi 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 quan doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan quan doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan quan doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.