Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao khoe moi snippets" » "lao khoa moi snippets", "mao khe moi snippets", "tao khoi moi snippets", "nao hoc moi snippets", "nao cho moi 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: (((("nao khoe moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao khoe moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao khoe moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao khoe moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.