Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi phap hoc snippets" » "phi phap code snippets", "thi phap hoc snippets", "phi phan hoc snippets", "phi thap hoc snippets", "phi phap hoan snippets", "phi phap mo snippets", "phi phap han 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: (((("phi phap hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi phap hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi phap hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi phap hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.