Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van binh hon snippets" » "van minh hon snippets", "van dinh hon snippets", "van linh hon snippets", "van binh han snippets", "van binh hoi 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: (((("van binh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van binh hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van binh hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van binh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.