Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi viet da snippets" » "thoai viet da snippets", "thi viet da snippets", "thon viet da snippets", "thoi viet dao snippets", "thoi viet dat snippets", "thoi viet ha 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 ("thoi viet da snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thoi viet da snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thoi viet da snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thoi viet da snippets"))) or ("locating bug code snippets"))*.