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