Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong mat le snippets" » "luong vat le snippets", "duong mat le snippets", "luong va le snippets", "luong hat le snippets", "luong mat la snippets", "luong mat ve 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: (((("luong mat le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong mat le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong mat le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong mat le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.