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