Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hieu nganh » vien nganh, hieu manh, nghiep nganh
nhung cong » dung cong, thong cong, hang cong
hiem ngan » kim ngan
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu nganh) or (((hiem ngan) OR (viem gan)))) - hanh trung cua nhung cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (((hiem ngan) OR (viem gan)))) - hanh trung cua nhung cong ban thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) or (((hiem ngan) OR (viem gan)))) - hanh trung cua nhung cong ban thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (((hiem ngan) OR (viem gan)))) - hanh trung cua nhung cong ban thanh cau*.