Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
thiet tach » chiet tach, thien hach, thuat tach
thanh toan » thanh hoa, thanh san, tinh toan
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, hang nong, bang cong
mang cua » manh cua, dung cua, ban cua
toan ban » van ban

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 tach - hanh mang cua ((nhung cong) or (hang cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh mang cua ((nhung cong) OR (hang cong)) thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh mang cua ((nhung cong) or (hang cong)) thanh toan ban*.