Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau hai son snippets" » "mau thai son snippets", "mau bai son snippets", "mau han son snippets", "mau ha son snippets", "mau dai son 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: (((("mau hai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau hai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau hai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau hai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.