Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cu phan xuan snippets" » "cu pham xuan snippets", "cu phan quan snippets", "cu phan xuat snippets", "cuu phan xuan snippets", "cau phan xuan snippets", "cua phan xuan snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cu phan xuan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cu phan xuan snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( cu phan xuan snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu phan xuan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.