Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xen hinh hoc snippets" » "dien hinh hoc snippets", "den chinh hoc snippets", "den hanh hoc snippets", "xen sinh hoc snippets", "xen tin hoc snippets", "xen benh hoc 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: (((("xen hinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xen hinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xen hinh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xen hinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.