Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho hinh so snippets" » "cho chinh so snippets", "cho sinh so snippets", "cho minh so snippets", "cho dinh so snippets", "cho hinh su 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: (((("cho hinh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho hinh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho hinh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho hinh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.