Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung do dep snippets" » "trung do dep snippets", "tung ho dep snippets", "dung do dep snippets", "tung don dep snippets", "tung do dap snippets", "tung do de 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: (((("tung do dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung do dep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung do dep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung do dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.