Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh dai hoi snippets" » "danh dai code snippets", "danh dau hoi snippets", "danh di hoi snippets", "danh sai hoi snippets", "danh dai hoc snippets", "danh dai hai snippets", "danh dai moi 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 dai 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 dai hoi snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( danh dai hoi snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh dai hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.