Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh dau cuc snippets" » "lanh dao cuc snippets", "hang dau cuc snippets", "xang dau cuc snippets", "danh dau cua snippets", "danh dau cuoi snippets", "danh dau nuoc 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: (((("danh dau cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh dau cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh dau cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh dau cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.