Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau cho cuoc snippets" » "dau cho duoc snippets", "dau cho cac snippets", "dau cho hoc snippets", "dau co cuoc snippets", "dac cho cuoc snippets", "day cho cuoc 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: (((("dau cho cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau cho cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau cho cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau cho cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.