Perhaps you should try some spelling variations:
tuong thuoc » luong thuoc, thuong thuc, dung thuoc
nhung hoi » nhung thoi, nhung noi, nhung doi
doi tuong » moi truong, doi song
nhung loi » nhung bai, nhung bi, nhung gi
muong hoc » duong hoc, tuong hoc, muong hoa
thuoc ma » hoc ma, duoc ma
hoi qua » hoi cua, hoa qua, hai quan
qua san » qua ban, cua san, qua van
loi hua » loi nhuan, loi chuc, loi khoa
hua van » hoa van, ha van, qua van
hoc mon » hoc moi, hoc mot, hoc cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung hoi qua san. doi tuong thuoc ma ) or ( nhung loi hua van. nguoi muong hoc mon ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung hoi qua san. doi tuong thuoc ma ) OR ( nhung loi hua van. nguoi muong hoc mon )).
• Adding a wildcard symbol may retrieve word variants: (( nhung hoi qua san. doi tuong thuoc ma ) or ( nhung loi hua van. nguoi muong hoc mon ))*.