Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan danh hoc snippets" » "dan danh code snippets", "van danh hoc snippets", "han danh hoc snippets", "ban danh hoc snippets", "dan dan hoc snippets", "dan danh hoa snippets", "dan anh 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: (((("dan danh 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: "((((\"dan danh hoc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dan danh hoc snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan danh hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.