Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong han du snippets" » "cong han code snippets", "cong hoan du snippets", "cong nhan du snippets", "cong khan du snippets", "cong han dau snippets", "cong van du snippets", "cong han tu 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: (((("python using java snippets") OR ("cong han du snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using java snippets\") OR (\"cong han du snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( cong han du snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("cong han du snippets"))) OR ("locating bug core snippets"))*.