Perhaps you should try some spelling variations:
thanh trung » thanh tung
phai nhuong » phan thuong, pham thuong, pham chuong
nhuong cong » nhung cong, luong cong, duong cong
trung phai » trung phan, trung hai, trung phat
hoc dieu » hoc thieu, hoc hien
dieu anh » dieu hanh, dieu danh, dien anh
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu anh - thanh trung phai nhuong cong ((van toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu anh - thanh trung phai nhuong cong ((van toan) OR (van tan)) cao*.