Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"con than vo snippets" » "con than code snippets", "cong thanh vo snippets", "cong thang vo snippets", "son thanh vo snippets", "con than va snippets", "con than doc snippets", "con than hoc 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: (((("con than vo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con than vo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( con than vo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con than vo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.