Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh dau hoi snippets" » "danh dau code snippets", "lanh dao hoi snippets", "hang dau hoi snippets", "xang dau hoi snippets", "danh cau hoi snippets", "danh dai hoi snippets", "danh dan hoi 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: (((("danh dau hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"danh dau hoi snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( danh dau hoi snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh dau hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.