Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc su con snippets" » "quoc suu con snippets", "luoc su con snippets", "duoc su con snippets", "quoc su cong snippets", "quoc su co snippets", "quoc 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: (((("quoc 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: (((("quoc su con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc su con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc su con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.