Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa cap dan slippers" » "khoa cam dan slippers", "khoa tap dan slippers", "khoa can dan slippers", "khoa cac dan slippers", "khoa ca dan slippers", "khoa cay dan slippers", "khoa cap dan slippery", "khoa cap dan grippers"
"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: (((("python using java snippets") or ("khoa cap dan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("khoa cap dan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( khoa cap dan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("khoa cap dan slippers"))) or ("locating bug code snippets"))*.