Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu can da snippets" » "thu canh da snippets", "thuc can da snippets", "thu ban da snippets", "thu can dai snippets", "thu dan da 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: (((("thu can da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu can da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu can da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu can da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.