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