Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan anh dep snippets" » "quan hanh dep snippets", "quang anh dep snippets", "tuan anh dep snippets", "quan canh dep 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 anh dep 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 anh dep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan anh dep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan anh dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.