Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung cua ve snippets" » "chung cua ve snippets", "khung cua ve snippets", "nhung ca ve snippets", "nhung cua vi snippets", "nhung cua te snippets", "nhung cua vu 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: (((("nhung cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cua ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cua ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cua ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.