Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuan dang do snippets" » "tran dang do snippets", "tuan bang do snippets", "tuan dung do snippets", "tuan nang doc snippets", "tuan dung doi snippets", "tuan dang duc 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: (((("tuan dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuan dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.