Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich gen cay snippets" » "dich dien cay snippets", "dich benh cay snippets", "dich ngan cay snippets", "dich ten cay snippets", "dich tren cay 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: (((("dich gen cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich gen cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich gen cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich gen cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.