Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan tran da snippets" » "hoang tran da snippets", "thoan tran da snippets", "toan tran da snippets", "hoan tran dam snippets", "hoan tran day snippets", "hoan tran dang 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: (((("hoan tran da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan tran da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan tran da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan tran da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.