Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gai viet da snippets" » "mai viet da snippets", "tai viet da snippets", "dai viet da snippets", "gai viet dao snippets", "gai viet dat snippets", "gai 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 ("gai 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 ("gai viet da snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( gai viet da snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("gai viet da snippets"))) or ("locating bug code snippets"))*.