Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho chinh so snippets" » "chon chinh so snippets", "che chinh so snippets", "cuoc chinh so snippets", "cho chinh su snippets", "cho chinh cho snippets", "cho dinh so 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 chinh 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 chinh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho chinh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho chinh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.