Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu gian cua snippets" » "phu gia cua snippets", "thu gan cua snippets", "chu giai cua snippets", "khu gian xu snippets", "khu 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: (((("khu gian 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: (((("khu gian cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu gian cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu gian cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.