Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hanh che que snippets" » "hanh che code snippets", "han che que snippets", "hanh he que snippets", "hanh nghe que snippets", "hanh cho que snippets", "hanh che quan snippets", "hanh che quoc 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: (((("hanh che que snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh che que snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh che que snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh che que snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.