Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men doi canh snippets" » "men doi hanh snippets", "men boi canh snippets", "men do canh snippets", "meo doi canh snippets", "bien doi canh snippets", "kien doi canh 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: (((("men doi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men doi canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men doi canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men doi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.