Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh hoi ve snippets" » "hanh thoi ve snippets", "hanh noi ve snippets", "hanh hoa ve snippets", "hanh hoi va snippets", "hanh moi ve 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: (((("hanh hoi 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: (((("hanh hoi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh hoi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh hoi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.