Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap lam du snippets" » "phap lam code snippets", "phap luat du snippets", "phap luan du snippets", "phap nham du snippets", "phap lam dau snippets", "phap lap du snippets", "phap la du 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 lam du 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 lam du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap lam du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap lam du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.