Perhaps you should try some spelling variations:
doanh khoa » toan khoa
hoc thieu » toc thieu, hoc hien
thieu khi » thieu nhi, tien khi, khien khi
so doanh » so danh, su doanh, hoa doanh
khoa hoc » hoa hoc
nhung bo » nhung bi, nhung bai, nhung don
khi cua » chi cua, thai cua
bo oc » bo uoc, bo o
oc vi » hoc vi, doc vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so doanh khoa hoc thieu khi cua ets : nhung bo oc vi đai~.
• Adding a wildcard symbol may retrieve word variants: so doanh khoa hoc thieu khi cua ets : nhung bo oc vi đai*.