Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong ky hoc snippets" » "duong ky hoc snippets", "tuong ky hoc snippets", "luong ky hoc snippets", "cuong y hoc snippets", "cuong ly hoc snippets", "cuong ky hoa 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: (((("cuong ky 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: (((("cuong ky hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong ky hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong ky hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.