Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc su con snippets" » "thuoc tu con snippets", "thuc su con snippets", "thuoc so con snippets", "thuoc su cong snippets", "thuoc su co snippets", "thuoc su can 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: (((("thuoc su con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc su con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc su con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc su con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.