Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho tra cho snippets" » "khoe tre cho snippets", "khoa tre cho snippets", "khoa tri cho snippets", "kho trang cho snippets", "kho tra chat snippets", "kho toan cho 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: (((("kho tra 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: (((("kho tra cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho tra cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho tra cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.