Perhaps you should try some spelling variations:
nghiem thuoc » nghiem duoc, nghiem hoa, nghi thuc
thuoc cong » truoc cong, thuoc trong, thu cong
nang khung » nang thuong, dang hung, bang chung
thanh nhan » thanh phan, thanh san, thanh toan
cong chuc » cong thuc, cong cu, cong cua
khung hoc » chung hoc, nhung hoc, thuong hoc
danh nhan » doanh nhan, benh nhan, dung nhan
cach hoc » cach thuc, cach thoi, dich hoc
tu cach » tu cac
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghiem thuoc cong chuc nang khung hoc mai hoi ((danh nhan) or (thanh nhan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghiem thuoc cong chuc nang khung hoc mai hoi ((danh nhan) OR (thanh nhan)) van.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghiem thuoc cong chuc nang khung hoc mai hoi ((danh nhan) or (thanh nhan)) van*.