Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot phan le snippets" » "mon phan le snippets", "mot nhan le snippets", "mot thanh le snippets", "mot pham le snippets", "mot phan mem snippets", "mot 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: (((("mot phan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mot phan le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot phan le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot phan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.