Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"dung su cac snippets" » "dung cu cac snippets", "dung du cac snippets", "dung so cac snippets", "dung tu cac snippets", "dung su cao snippets", "dung su can 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 su cac snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung su cac snippets\") OR (\"python using java snippets\"))) OR (\"locatinhg bug code snippets\"))".
• Removing quotes may allow a broader search: (((( dung su cac snippets ) OR ( python using java snippets ))) OR ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung su cac snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))*.