Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc gioi can snippets" » "hoc giai can snippets", "hoc nguoi can snippets", "hoc giao can snippets", "hoc gioi van snippets", "hoc gioi cam snippets", "hoc gioi 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: (((("hoc gioi can 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 gioi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc gioi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc gioi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.