Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran danh di snippets" » "tran danh code snippets", "tran dinh di snippets", "tran manh di snippets", "tran dang di snippets", "tran danh du snippets", "tran xanh di snippets", "tran danh dien 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: (((("tran danh di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran danh di snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran danh di snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran danh di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.