Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua le doan snippets" » "bua le dan snippets", "bua ly doanh snippets", "bua le hoang snippets", "bua ke doan snippets", "cua le doan 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: (((("bua le doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua le doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua le doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua le doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.