Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhau dan da snippets" » "nhan dan da snippets", "nhac dan da snippets", "khau dan da snippets", "nhau dan dat snippets", "nhau dan ca snippets", "nhau dan 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: (((("nhau dan 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: (((("nhau dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhau dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhau dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.