Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
thiet danh » thien danh, thien anh, thien dang
thong cong » trong cong, tong cong, thong thong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hanh ban » thanh ban, hang ban, hanh san
ban cua » ban quan
van tai » von tai, van tuan
tai ban » tai san, tai ngan, tai benh

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 danh - hanh ban cua ((nhung chong) or (thong cong)) van tai ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - hanh ban cua ((nhung chong) OR (thong cong)) van tai ban.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - hanh ban cua ((nhung chong) or (thong cong)) van tai ban*.