Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan duoc do snippets" » "nhan cuoc do snippets", "nhan quoc do snippets", "phan duoc do snippets", "nhan duoc dao snippets", "nhan duoc co snippets", "nhan duoc vo 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: (((("nhan duoc 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: (((("nhan duoc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan duoc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan duoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.