Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va han nom snippets" » "va hanh noi snippets", "va nhan nam snippets", "va phan nom snippets", "van han nom snippets", "va hanh nom 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: (((("va han nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va han nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va han nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va han nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.