Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lenh xa dong snippets" » "lenh va dong snippets", "lenh xu dong snippets", "lenh nha dong snippets", "lenh ha dong snippets", "lenh van dong snippets", "lenh lao dong 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: (((("lenh xa dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lenh xa dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lenh xa dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lenh xa dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.