Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web song cuu snippets" » "web huong cuu snippets", "web bang cuu snippets", "nep song cuu snippets", "web song cua snippets", "web song ngu snippets", "web cong cu 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: (((("web song 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: (((("web song cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web song cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web song cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.