Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap hoc voi snippets" » "phap hoc code snippets", "phap hoan voi snippets", "phap mo voi snippets", "phap han voi snippets", "phap hoc vi snippets", "phap hoc vo snippets", "phap hoc noi snippets"
"python using java snippets" » "python using data snippets"

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

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