Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong toan du snippets" » "cong toan code snippets", "cong tan du snippets", "cong hoan du snippets", "cong tuan du snippets", "cong tran duc snippets", "cong toan cau 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 toan 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 toan du snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( cong toan du snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("cong toan du snippets"))) OR ("locating bug core snippets"))*.