Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong bang » cuong bang, dong bang, hong bang
thanh dau » thanh dat, thanh mau, thanh dan
thanh dam » thanh dat, thanh nam, thanh tam
trung va » truong va, trang va, trung ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (hieu manh)) - thanh trung va nhung cong bang ((thanh dau) OR (thanh dam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - thanh trung va nhung cong bang ((thanh dau) OR (thanh dam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu manh)) - thanh trung va nhung cong bang ((thanh dau) OR (thanh dam))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (hieu manh)) - thanh trung va nhung cong bang ((thanh dau) OR (thanh dam))*.