Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diem tinh da snippets" » "diep tinh da snippets", "diem sinh da snippets", "diem hinh da snippets", "diem tinh va snippets", "diem tinh gia snippets", "diem tinh lao 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: (((("diem tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diem tinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diem tinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diem tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.