Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu xanh » chieu xanh, hieu manh, thien danh
nhan chong » nhanh chong, nhan khong, nhan thong
chong cong » cong cong, thong cong, cuong cong
thien anh » thien danh, tien anh, thien thanh
cong dan » cong san, cong tan, huong dan
dan han » dan chan, dan than, dan hanh
han tu » phan tu, hanh tu, ban 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 anh)) - doanh doanh nhan chong cong dan han tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - doanh doanh nhan chong cong dan han tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - doanh doanh nhan chong cong dan han tu*.