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