Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tach dang do snippets" » "bach dang do snippets", "tach dong do snippets", "cach mang do snippets", "tach nang doc snippets", "tach dung doi snippets", "tach 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: (((("tach 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: (((("tach dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tach dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tach dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.