Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong dan con snippets" » "cong dan code snippets", "cong san con snippets", "cong tan con snippets", "huong dan con snippets", "cong day con snippets", "cong dan mon snippets", "cong dan bon 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: (((("cong dan con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cong dan con snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( cong dan con snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dan con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.