Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh truong » thanh trung, thanh tung, thanh huong
thiet hach » thien hach, thuyet hach, thiet hai
hoc thiet » hoc thieu, hoc thuyet, hoc hien
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
bao cau » bo cau, tao cau, ba 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 thiet hach - ((thanh truong) or (thanh thuong)) cua dung cong san ((bao cau) or (bao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - ((thanh truong) OR (thanh thuong)) cua dung cong san ((bao cau) OR (bao cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - ((thanh truong) or (thanh thuong)) cua dung cong san ((bao cau) or (bao cao))*.