Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai dang do snippets" » "hai dang do snippets", "khai sang do snippets", "kha nang do snippets", "khai nang doc snippets", "khai dung doi snippets", "khai dang duc 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: (((("khai dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai dang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai dang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai dang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.