Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat lanh ve snippets" » "dat anh ve snippets", "dau lanh ve snippets", "hat lanh ve snippets", "dat hanh ve snippets", "dat lanh va 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: (((("dat lanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat lanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat lanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat lanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.