Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men sinh ve snippets" » "den sinh ve snippets", "benh sinh ve snippets", "kien sinh ve snippets", "men dinh ve snippets", "men sinh va snippets", "men kinh ve 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 sinh ve 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 sinh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men sinh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men sinh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.