Perhaps you should try some spelling variations:
"moi voi cong snippets" » "moi voi code snippets", "moi noi cong snippets", "moi moi cong snippets", "moi tai cong snippets", "doi voi cong snippets", "moi doi cong snippets", "moi thoi cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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 ("moi voi cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("moi voi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( moi voi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("moi voi cong snippets"))) or ("locating bug core snippets"))*.