Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cum dinh hoc snippets" » "cum danh hoc snippets", "quy dinh hoc snippets", "nam dinh hoc snippets", "cum sinh hoc snippets", "cum hinh hoc snippets", "cum tinh hoc 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: (((("cum dinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cum dinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cum dinh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cum dinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.