Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang mot doi snippets" » "pang mot doi snippets", "trang mot doi snippets", "lang son doi snippets", "lang moi doi snippets", "lang hoat doi snippets", "lang mong doi 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: (((("lang mot doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang mot doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang mot doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang mot doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.