Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan dan ve snippets" » "phan dan code snippets", "phan dang ve snippets", "phan dau ve snippets", "nhan dan ve snippets", "phan ban ve snippets", "phan dan va snippets", "phan dan viet 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: (((("phan dan ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dan ve snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan dan ve snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dan ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.