Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tung dan can snippets" » "tung dan code snippets", "dung dan can snippets", "huong dan can snippets", "trung dai can snippets", "tung dan chan snippets", "tung dan canh snippets", "tung dan ca 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: (((("tung dan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung dan can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tung dan can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.