Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc quy chi snippets" » "ngo quy chi snippets", "ngoc que chi snippets", "ngoc quyen chi snippets", "ngoc quy che snippets", "ngoc quy thi snippets", "ngoc quy chau 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 quy chi 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 quy chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc quy chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc quy chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.