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