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