Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cuoi cac snippets" » "doi cuoc cac snippets", "doi nguoi cac snippets", "doi voi cac snippets", "doi cuoi dac snippets", "doi cuoc cach snippets", "doi cuong cac 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: (((("doi cuoi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi cuoi cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cuoi cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cuoi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.