Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon hanh son snippets" » "hong hanh son snippets", "hon nhanh son snippets", "hoc hanh son snippets", "hon thanh son snippets", "hon khanh son snippets", "hon hoanh son 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: (((("hon hanh son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hon hanh son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon hanh son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon hanh son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.