Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap men da snippets" » "nhap mon da snippets", "nhap mang da snippets", "nam men da snippets", "nhap men dam snippets", "nhap men a snippets", "nhap men va 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: (((("nhap men da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap men da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap men da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap men da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.