Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan tai mo snippets" » "hang tai mo snippets", "van tai mo snippets", "toan tai mo snippets", "nhan tai mot snippets", "nhan thi mo snippets", "nhan tai 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: (((("nhan tai mo 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 mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan tai mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan tai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.