Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"so danh tran snippets" » "so dang tran snippets", "so canh tranh snippets", "so hanh trang snippets", "do danh tran snippets", "so sanh tran snippets", "so dan tran snippets", "so danh tran slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("so danh tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so danh tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so danh tran snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so danh tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.