Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh van doi snippets" » "anh va doi snippets", "thanh van doi snippets", "doanh van doi snippets", "anh van loi snippets", "anh van noi snippets", "anh van do 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 van doi 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 van doi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( anh van doi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("anh van doi snippets"))) or ("locating bug code snippets"))*.