Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi dan ve snippets" » "khoi dan code snippets", "hoi dan ve snippets", "choi dan ve snippets", "khoi can ve snippets", "khoi ban ve snippets", "khoi dan va snippets", "khoi 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: (((("khoi 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: (((("khoi dan ve snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi dan ve snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi dan ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.