Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung dai moi snippets" » "trung dai moi snippets", "tuong dai moi snippets", "tung dan moi snippets", "tung doi moi snippets", "tung dai hoi 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: (((("tung dai moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung dai moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dai moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dai moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.