Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"yang hanh he snippets" » "dang hanh he snippets", "yang danh he snippets", "nang hanh he snippets", "yang hanh che snippets", "yang hanh ve snippets", "yang hanh de 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: (((("yang hanh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang hanh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( yang hanh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang hanh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.