Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau via cua snippets" » "dau gia cua snippets", "dau va cua snippets", "dau viet cua snippets", "dau gian cua snippets", "dau giau cua 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: (((("dau via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.