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