Perhaps you should try some spelling variations:
"doan va hoat snippets" » "doan va code snippets", "doan va hoa snippets", "doan qua hoat snippets", "doan dan hoat snippets", "doanh va hoat snippets", "dan va hoat snippets", "toan va hoat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doan va hoat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"doan va hoat snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( doan va hoat snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan va hoat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.