Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua tao danh snippets" » "lua cao danh snippets", "lua tac danh snippets", "lua tao anh snippets", "lua dao danh snippets", "cua tao danh snippets", "lua gao danh 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 tao danh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua tao danh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua tao danh snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua tao danh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.