Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh khoa can snippets" » "doanh khoa can snippets", "hang khoa can snippets", "anh khoa cam snippets", "anh khoa cap snippets", "anh khoi can 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 khoa can 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 khoa can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh khoa can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh khoa can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.