Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"aid danh cau snippets" » "dia danh cau snippets", "aid data cau snippets", "anh danh cau snippets", "aid danh dau snippets", "aid danh ca snippets", "aid danh hau 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: (((("aid danh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("aid danh cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( aid danh cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("aid danh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.