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