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