Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh sang o2 snippets" » "tinh quang o2 snippets", "tinh trang o2 snippets", "trinh san o2 snippets", "tinh hang o2 snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("tinh sang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh sang o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh sang o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh sang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.