Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong may mo snippets" » "cong xay mo snippets", "cong ma mo snippets", "cong hay mo snippets", "cong may moc snippets", "cong cay mo snippets", "cong may do 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 may 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 may mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong may mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong may mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.