Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nan dinh chi snippets" » "nang dinh chi snippets", "nhan dinh chi snippets", "nam dinh chi snippets", "nan dinh thi snippets", "nan dinh tri snippets", "nan dinh moi 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: (((("nan dinh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nan dinh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nan dinh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nan dinh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.