Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao dua moi snippets" » "tao duoc moi snippets", "tao dung moi snippets", "tao luan moi snippets", "tao cua moi snippets", "tao dua voi snippets", "tao vua moi 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: (((("tao dua 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: (((("tao dua moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao dua moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao dua moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.