Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham va hoa snippets" » "chat va hoa snippets", "pham va hoa snippets", "chai va hoa snippets", "cham van hoa snippets", "cham va hoc snippets", "cham ma hoa 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: (((("cham va hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham va hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham va hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham va hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.