Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran tung da snippets" » "tran tung code 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"
"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 tung da 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 tung da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran tung da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran tung da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.