Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat tinh cho snippets" » "dac tinh cho snippets", "dao tinh cho snippets", "sat tinh cho snippets", "dat trinh cho snippets", "dat tinh cao snippets", "dat tinh co 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: (((("dat tinh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat tinh cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat tinh cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat tinh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.