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