Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap du canh snippets" » "phap dau canh snippets", "phap tu canh snippets", "pha du canh snippets", "phap du hanh snippets", "phap do canh snippets", "phap luc canh 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: (((("phap du canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap du canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap du canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap du canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.