Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh va oc snippets" » "tich va oc snippets", "trinh van oc snippets", "trinh vat oc snippets", "tinh va hoc snippets", "tinh va doc snippets", "tinh va o 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: (((("tinh va 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: (((("tinh va oc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh va oc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh va oc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.