Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu anh toan snippets" » "cuu manh toan snippets", "cuu anh tuan snippets", "cuu thanh toan snippets", "cuu tinh toan snippets", "cuu nang toan 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: (((("cuu anh toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu anh toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu anh toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu anh toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.