Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diem lam cac snippets" » "kiem lam cac snippets", "dinh lam cac snippets", "viec lam cac snippets", "diem nam cac snippets", "diem lam chat snippets", "diem lam sach 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: (((("python using java snippets") or ("diem lam cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("diem lam cac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( diem lam cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("diem lam cac snippets"))) or ("locating bug code snippets"))*.