Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong va anh slippers" » "dung va anh slippers", "luong van anh slippers", "luong va danh slippers", "luong va hanh slippers", "luong va anh slippery", "luong va anh grippers"
"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 va anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong va anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong va anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong va anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.