Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hut dau cac snippets" » "hut du cac snippets", "hut dan cac snippets", "thuat dau cac snippets", "hut dau cay snippets", "hut dao cac 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: (((("hut dau cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hut dau cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hut dau cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hut dau cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.