Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh ke cho snippets" » "anh ve cho snippets", "anh le cho snippets", "hanh kem cho snippets", "anh keo cho snippets", "anh ke che snippets", "anh ke co 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: (((("anh ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh ke cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh ke cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.