Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trang mau ca snippets" » "trang mat ca snippets", "trong mau ca snippets", "trang va ca snippets", "trang mau cau snippets", "trang mau cua snippets", "trang mac ca 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: (((("trang mau ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trang mau ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trang mau ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trang mau ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.