Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kiem ninh dh snippets" » "kiem dinh dh snippets", "diem sinh dh snippets", "diem hinh dh snippets", "kiem sinh dh snippets", "kiem ninh duc snippets", "kiem ninh thi 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: (((("kiem ninh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kiem ninh dh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kiem ninh dh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kiem ninh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.