Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi dao le snippets" » "thoi dai le snippets", "thi dao le snippets", "thoi sao le snippets", "thoi do le snippets", "thoi dao ve snippets", "thoi hao le 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 dao le 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 dao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi dao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi dao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.