Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong phan du snippets" » "cong phan code snippets", "cong nhan du snippets", "cong khan du snippets", "chong phap du snippets", "cong phan dau snippets", "cong phan duc snippets", "cong phan dua 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 phan du 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 phan du snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( cong phan du snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong phan du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.