Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan tai bot snippets" » "hang tai bot snippets", "van tai bot snippets", "toan tai bot snippets", "nhan tai mot snippets", "nhan tao bot snippets", "nhan tai bon 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: (((("nhan tai bot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan tai bot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan tai bot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan tai bot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.