Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huy khoa con snippets" » "huy khoa code snippets", "chua khoa con snippets", "cuu khoa con snippets", "hoc khoa con snippets", "huy khoa cong snippets", "huy khoa can snippets", "huy khoa co snippets"
"python using java snippets" » "python using data 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 ("huy khoa con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("huy khoa con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( huy khoa con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("huy khoa con snippets"))) or ("locating bug core snippets"))*.