Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"cong cua phan snippets" » "cong cu phan snippets", "dong cua phan snippets", "huong cua phan snippets", "cong cua nhan snippets", "cong cua phap snippets", "cong cua han snippets"

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

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