Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha hang di snippets" » "pham hang di snippets", "nha hang di snippets", "pham thang di snippets", "pha hang doi snippets", "pha hang vi snippets", "pha hang dien 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: (((("pha hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha hang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha hang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.