Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap lua bo snippets" » "phap lua code snippets", "phap luat bo snippets", "phap luan bo snippets", "phap luu bo snippets", "phap cua bo snippets", "phap luat bao snippets", "phap luan bao 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: (((("phap lua bo 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 lua bo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap lua bo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap lua bo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.