Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh ve do snippets" » "hanh ve do snippets", "thanh ve do snippets", "nhanh va do snippets", "nhanh ve dao snippets", "nhanh ve doi 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: (((("nhanh ve 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: (((("nhanh ve do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh ve do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh ve do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.