Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac duong de snippets" » "cau duong de snippets", "cac tuong de snippets", "cac dong de snippets", "cac dung de snippets", "cac duong ve snippets", "cac duong di 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: (((("cac duong de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac duong de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac duong de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac duong de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.