Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham bat moi snippets" » "ham mat moi snippets", "ham bai moi snippets", "nam bat moi snippets", "ham ban moi snippets", "ham bat loi snippets", "ham vat moi 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: (((("ham bat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham bat moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham bat moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham bat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.