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