Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong goi mo snippets" » "cong noi mo snippets", "cong soi mo snippets", "dong goi mo snippets", "cong doi mo snippets", "cong nguoi mo 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 goi mo 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 goi mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong goi mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong goi mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.