Perhaps you should try some spelling variations:
thanh trung » thanh tung
trinh nhung » trinh phuong, trinh dung
thieu xanh » chieu xanh, hieu manh, thien danh
quan nhung » qua nhung, cua nhung, luan chung
thien anh » thien danh, tien anh, thien thanh
cong anh » cong danh, dong anh, hong anh
tuan cao » toan cao, juan cao, quang cao

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 (thien anh)) - thanh trung ((trinh nhung) or (quan nhung)) cong anh tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh trung ((trinh nhung) OR (quan nhung)) cong anh tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - thanh trung ((trinh nhung) or (quan nhung)) cong anh tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - thanh trung ((trinh nhung) or (quan nhung)) cong anh tuan cao*.