Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan phan le snippets" » "toan phan le snippets", "than phan le snippets", "van phan le snippets", "tan pham le snippets", "tan phan mem snippets", "tan phan lap 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 ("tan phan 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 ("tan phan le snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tan phan le snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tan phan le snippets"))) or ("locating bug code snippets"))*.