Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc can cua snippets" » "hoc can code snippets", "hoc dan cua snippets", "hoc cao cua snippets", "hoc cac cua snippets", "hoc canh cua snippets", "hoc ban cua snippets", "hoc ca cua snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc can cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( hoc can cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc can cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.