Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau hang o2 snippets" » "cau hang code snippets", "cau hoang o2 snippets", "cau thang o2 snippets", "cuu khang o2 snippets", "cau hang hoa snippets", "cau hang rok snippets", "cau hang ton 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: (((("python using java snippets") or ("cau hang o2 snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cau hang o2 snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cau hang o2 snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cau hang o2 snippets"))) or ("locating bug core snippets"))*.