Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi phan du snippets" » "chi phan code snippets", "cho phan du snippets", "chinh phan du snippets", "chi nhanh du snippets", "chi phan dau snippets", "chi phan duc snippets", "chi phan dua 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: (((("chi phan 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: (((("chi phan du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chi phan du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi phan du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.