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