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