Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim thanh da snippets" » "kinh thanh da snippets", "gia thanh da snippets", "nam thanh da snippets", "kim thanh dat snippets", "kim thanh dam snippets", "kim thanh dan 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: (((("kim thanh 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: (((("kim thanh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim thanh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim thanh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.