Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh tung » thanh cong
quan trong » gian trong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tung tran » trung tran, hung tran, huong tran
tran quan » tran quang, tran xuan, tran tuan
trong dan » trong dang, trong san, trong tan
ca cao » ca dao, cu cao, ca cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hieu manh)) - thanh tung tran quan trong dan ca cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh tung tran quan trong dan ca cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - thanh tung tran quan trong dan ca cao*.