Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thap du cay snippets" » "thap dau cay snippets", "thap tu cay snippets", "phap du cay snippets", "tap du cay snippets", "than du 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: (((("thap du 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: (((("thap du cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thap du cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thap du cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.