Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ung hao le snippets" » "ung ho le snippets", "dung hai le snippets", "cung hay le snippets", "ung ha le snippets", "ung dao 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: (((("ung hao 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: (((("ung hao le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ung hao le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ung hao le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.