Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong lang ve snippets" » "cong lang code snippets", "cong vang ve snippets", "cong luong ve snippets", "cong quang ve snippets", "cong lang ven snippets", "cong long ve snippets", "cong dang ve 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: (((("python using java snippets") or ("cong lang ve snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong lang ve snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong lang ve snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong lang ve snippets"))) or ("locating bug core snippets"))*.