Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong vat oc snippets" » "dong va oc snippets", "dong von oc snippets", "dong ha oc snippets", "dong vat hoc snippets", "dong vat duoc snippets", "dong vat quoc 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 vat oc 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 vat oc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong vat oc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong vat oc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.