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