Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuan anh mon snippets" » "tuan anh son snippets", "tuan anh dong snippets", "tuan hanh mot snippets", "quan anh mon snippets", "tran anh mon snippets", "luan anh mon 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: (((("tuan anh mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuan anh mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan anh mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan anh mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.