Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cho ho snippets" » "thi choi ho snippets", "thi tho ho snippets", "thi thao ho snippets", "thi cho hoc snippets", "thi cho hoa snippets", "thi pho ho 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 cho ho 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 cho ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cho ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cho ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.