Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho giang ve snippets" » "chong giang ve snippets", "ha giang ve snippets", "cho giao ve snippets", "cho gian ve snippets", "cho giang le snippets", "cho giang vo 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: (((("cho giang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho giang ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho giang ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho giang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.