Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hieu do snippets" » "dung hieu code snippets", "dong hieu do snippets", "dung tieu do snippets", "trung hieu do snippets", "dung hieu so snippets", "dung hieu bo snippets", "dung bieu do 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: (((("dung hieu do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung hieu do snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung hieu do snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hieu do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.