Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc dao cau snippets" » "ngoc hao cau snippets", "nguoi dao cau snippets", "ngoc dang cau snippets", "ngoc dat cau snippets", "ngoc da cau snippets", "ngoc tao cau 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: (((("ngoc dao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc dao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc dao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc dao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.