Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban chan loc snippets" » "dan chan loc snippets", "ban than loc snippets", "ban nhan loc snippets", "ban chon loc snippets", "ban nhan luc snippets", "ban van loc 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: (((("ban chan loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban chan loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban chan loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban chan loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.