Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoa long ve snippets" » "hoa lang ve snippets", "ha long ve snippets", "hoa cong ve snippets", "hoa luong va snippets", "hoa duong 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: (((("hoa long 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: (((("hoa long ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa long ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa long ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.