Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets", "data using java slippers"
"luong chu code snippets" » "luong cho code snippets", "luong thuc code snippets", "luong thi code snippets", "luong chu de snippets", "luong cfd code snippets", "luong chu code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 chu code snippets") or ("data using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong chu code snippets") OR ("data using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong chu code snippets ) or ( data using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong chu code snippets") or ("data using java snippets"))) or ("locating bug code snippets"))*.