Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong van doi snippets" » "cong van code snippets", "cong vang doi snippets", "cong san doi snippets", "song van doi snippets", "cong van loi snippets", "cong van noi snippets", "cong van do 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 van doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong van doi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong van doi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong van doi snippets"))) or ("locating bug core snippets"))*.