Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan loi cac snippets" » "quan li cac snippets", "qua loi cac snippets", "quan doi cac snippets", "quan loi cach snippets", "quan voi cac snippets", "quan loi ca 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: (((("quan loi 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: (((("quan loi cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan loi cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan loi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.