Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bang cao hoc snippets" » "nang cao hoc snippets", "bang cac hoc snippets", "bang cau hoc snippets", "bang co hoc snippets", "bang cho hoc snippets", "bang chat 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: (((("bang cao 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: (((("bang cao hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bang cao hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bang cao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.