Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan tich cac snippets" » "dan dich cac snippets", "dan tinh cac snippets", "dau tich cac snippets", "dan tich va snippets", "dan tich bao 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: (((("dan tich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tich cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tich cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.