Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre hoa cua snippets" » "tien hoa cua snippets", "tieu hoa cua snippets", "theu hoa cua snippets", "tre hoa chat snippets", "tre hoa xuat 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: (((("tre hoa cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre hoa cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre hoa cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre hoa cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.