Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh cho hoi snippets" » "danh cho code snippets", "danh cho hoc snippets", "danh cho moi snippets", "danh cho doi snippets", "doanh cho hoi snippets", "dan cho hoi snippets", "dinh cho hoi snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing 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 cho hoi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"danh cho hoi snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( danh cho hoi snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cho hoi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.