Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu dung ca snippets" » "huu tung ca snippets", "huu quang ca snippets", "thuy dung ca snippets", "huu dung cua snippets", "huu dung cac snippets", "huu dung cam 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: (((("huu dung 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: (((("huu dung ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu dung ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu dung ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.