Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang nhat do snippets" » "dang nhat code snippets", "dung nhan do snippets", "dung nha do snippets", "dang nhat so snippets", "dang nhat de snippets", "dang hat do 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: (((("dang nhat do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dang nhat do snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dang nhat do snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang nhat do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.