Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhu duoc vo snippets" » "tnhh duoc vo snippets", "nghe duoc vo snippets", "chua duoc vo snippets", "nhu duoc va snippets", "nhu duoc co snippets", "nhu duoc do 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: (((("nhu duoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhu duoc vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhu duoc vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhu duoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.