Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do canh cay snippets" » "do canh tay snippets", "do xanh cay snippets", "do nhanh cay snippets", "doi canh cay snippets", "do sanh cay snippets", "do danh cay 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: (((("do canh cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do canh cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do canh cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do canh cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.