Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web giao de snippets" » "te giao de snippets", "ve giao de snippets", "ke giao de snippets", "web gia de snippets", "web giao dien snippets", "web giao duc 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 giao de 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 giao de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web giao de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web giao de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.