Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac nhung ca snippets" » "dac nhuong ca snippets", "dac hung ca snippets", "dap nhung ca snippets", "dac nhung cau snippets", "dac nhung cam snippets", "dac nhung cay 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: (((("dac nhung ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac nhung ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac nhung ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac nhung ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.