Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua gao hoc snippets" » "lua dao hoc snippets", "luat giao hoc snippets", "luat bao hoc snippets", "lua cao hoc snippets", "lua bao hoc snippets", "lua gio 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: (((("lua gao 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: (((("lua gao hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua gao hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua gao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.