Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue luat de snippets" » "thai luat de snippets", "thue quan de snippets", "thue luat ve snippets", "thue luat ke snippets", "thue luat du 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: (((("thue luat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thue luat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue luat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue luat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.