Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi vi do snippets" » "thoi ki do snippets", "thoi va do snippets", "thi vi do snippets", "thoi vi mo snippets", "thoi v do 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: (((("thoi vi do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi vi do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi vi do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi vi do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.