Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien dang » thien bang, thien danh, thien nang
hieu nganh » vien nganh, hiem ngan, hieu manh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
trinh vat » trinh van, trinh luat, sinh vat
vat nhung » va nhung, vap nhung, vai nhung
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 dang))) or (hieu nganh)) - canh trinh vat nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien dang))) OR (hieu nganh)) - canh trinh vat nhung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien dang))) or (hieu nganh)) - canh trinh vat nhung cong dan chan cau*.