Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tich o2 snippets" » "thi bich o2 snippets", "thu tich o2 snippets", "thi tinh o2 snippets", "thi tich o snippets", "thi tich hop snippets", "thi tich mot 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: (((("thi tich 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: (((("thi tich o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tich o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tich o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.