Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viem gan con snippets" » "viem gian con snippets", "viem ga con snippets", "viem van cong snippets", "viet gan con snippets", "vien gan con snippets", "viec gan con 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: (((("viem gan con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viem gan con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viem gan con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viem gan con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.