Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, khong cang, chong cong
hien manh » hien hanh, tien manh, hieu manh
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
ban thai » ban than, ban thi, ban thoi
ban tai » van tai, han tai, ban thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien manh - thanh trung cua khong cong ((ban thai) or (ban tai)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - thanh trung cua khong cong ((ban thai) OR (ban tai)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - thanh trung cua khong cong ((ban thai) or (ban tai)) cao*.