Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cac moi snippets" » "dung cac code snippets", "luong cac moi snippets", "dung cho moi snippets", "dung tai moi snippets", "dung cac mon snippets", "dung cac toi snippets", "dung cac thoi 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 ("dung cac moi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung cac moi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung cac moi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung cac moi snippets"))) or ("locating bug core snippets"))*.