Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui bich cau snippets" » "thi bich cau snippets", "bui minh cau snippets", "bui dinh cau snippets", "bui bach cau snippets", "bui tich cau snippets", "bui lich chau 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: (((("bui bich cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bui bich cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui bich cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui bich cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.