Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den tran cac snippets" » "den tuan cac snippets", "den thanh cac snippets", "dang tran cac snippets", "den tranh cac snippets", "den tran chau snippets", "den tran mach 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: (((("den tran cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den tran cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den tran cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den tran cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.