Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ben thi doan snippets" » "ben thi code snippets", "ben thai doan snippets", "ben thi hoan snippets", "ben thi loan snippets", "ban thi doan snippets", "ben chi doan snippets", "yen thi doan 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: (((("ben thi doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben thi doan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ben thi doan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben thi doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.