Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan hai chi snippets" » "thanh hai chi snippets", "van hai chi snippets", "hang hai chi snippets", "chan thai chi snippets", "chan tai chi snippets", "chan hai thi 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: (((("chan hai chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chan hai chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan hai chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan hai chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.