Perhaps you should try some spelling variations:
soanh soanh » doanh doanh, oanh oanh
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
chuan dao » chuan doan, chuan iso, chuan ha
soanh va » doanh va, sanh va, soan va
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
doan » doanh, toan, soan

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 - soanh soanh va thong cong dan ((chuan dao) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - soanh soanh va thong cong dan ((chuan dao) OR (chan doan))*.