Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong hat ca snippets" » "dong nhat ca snippets", "dong ha ca snippets", "dong vat ca snippets", "dong hat cua snippets", "dong tat ca snippets", "dong hat va 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: (((("dong hat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.