Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
hieu nganh » vien nganh, hiem ngan, hieu manh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
trinh va » trinh van, trinh vat, trinh ve
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((thieu xanh) or (thien danh))) or (hieu nganh)) - canh trinh va nhung cong doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (hieu nganh)) - canh trinh va nhung cong doan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien danh))) or (hieu nganh)) - canh trinh va nhung cong doan phan cau*.