Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan hang o2 snippets" » "phan hang code snippets", "phan dang o2 snippets", "pham hang o2 snippets", "phan hong o2 snippets", "phan hang hoa snippets", "phan hang rok snippets", "phan hang ton snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan hang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan hang o2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan hang o2 snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.