Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong benh ve snippets" » "duong benh ve snippets", "song benh ve snippets", "phong benh ve snippets", "dong benh va snippets", "dong benh vien 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: (((("dong benh 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: (((("dong benh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong benh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong benh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.