Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bua thi doan snippets" » "bua thi code snippets", "bua thai doan snippets", "bua thi hoan snippets", "bua thi loan snippets", "bui thi doan snippets", "luan thi doan snippets", "luat 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: (((("bua 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: (((("bua thi doan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bua thi doan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua thi doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.