Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh dau hoc snippets" » "danh dau code snippets", "lanh dao hoc snippets", "hang dau hoc snippets", "xang dau hoc snippets", "danh dai hoc snippets", "danh du hoc snippets", "danh dan hoc 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 hoc 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 hoc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( danh dau hoc snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh dau hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.