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