Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau duong da snippets" » "hai duong da snippets", "con duong da snippets", "van duong da snippets", "cau duong dao snippets", "cau duong dai snippets", "cau duong dan 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: (((("cau duong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau duong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau duong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau duong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.