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