Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh cho cho snippets" » "danh choi cho snippets", "danh cao cho snippets", "danh cho chu snippets", "doanh cho cho snippets", "dan cho cho snippets", "dinh cho cho 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: (((("danh cho cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cho cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh cho cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cho cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.