Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong va dep snippets" » "dong va dep snippets", "cong ha dep snippets", "cong tac dep snippets", "cong va deep snippets", "cong va dap snippets", "cong va de 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: (((("cong va dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong va dep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong va dep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong va dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.