Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc viet con snippets" » "duc viet code snippets", "tuc viet con snippets", "thuc viet con snippets", "nuoc viet con snippets", "duc viet co snippets", "duc diet con snippets", "duc giet con 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 ("duc viet con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc viet con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc viet con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc viet con snippets"))) or ("locating bug core snippets"))*.