Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang nam co snippets" » "hoang nam co snippets", "dang nam co snippets", "hanh nam co snippets", "hang nam cao snippets", "hang nam bo snippets", "hang nam so 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: (((("hang nam co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang nam co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang nam co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang nam co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.