Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren vung mo snippets" » "tren duong mo snippets", "ben vung mo snippets", "tren mang mo snippets", "tren vung moc snippets", "tren dung mo snippets", "tren vung o 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: (((("tren vung 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: (((("tren vung mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren vung mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren vung mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.