Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc so mo snippets" » "quoc son mo snippets", "nuoc so mo snippets", "quoc co mo snippets", "quoc so do snippets", "quoc mo mo 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 so mo 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 so mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc so mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc so mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.