Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thit mo hoc snippets" » "thi mo hoc snippets", "thit bo hoc snippets", "thien mo hoc snippets", "thit mon hoc snippets", "thit co 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: (((("thit mo 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: (((("thit mo hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thit mo hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thit mo hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.