Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kip than cua snippets" » "kip tham cua snippets", "kim thanh cua snippets", "vi than cua snippets", "kip nhan cua snippets", "kip thai cua snippets", "kip ban cua 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: (((("kip than cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kip than cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kip than cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kip than cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.