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