Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc huan le snippets" » "thuc luan le snippets", "thuc huyen le snippets", "thuc hanh le snippets", "thuc tuan le snippets", "thuc chuan he snippets", "thuc quang le 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: (((("python using java snippets") or ("thuc huan le snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thuc huan le snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thuc huan le snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thuc huan le snippets"))) or ("locating bug code snippets"))*.