Perhaps you should try some spelling variations:
nang chuc » nang thuc, nang phuc, nang luc
chuc danh » chuc nganh, thuc hanh, chuc nang
danh khoa » doanh khoa, anh khoa, danh hoa
cach hoc » cach thuc, cach thoi, dich hoc
cuu nang » chuc nang, cam nang, cuu van
khoa hoc » hoa hoc
nhan tai » hang tai, van tai, toan tai
su cach » su sach, tu cach, su cac
hoi van » hoi va, hoi dan, hoi han
hai van » thai van, ha van, hai tan
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach hoc tap, nghien cuu nang chuc danh khoa hoc xa ((hoi van) or (hai van)) nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach hoc tap, nghien cuu nang chuc danh khoa hoc xa ((hoi van) OR (hai van)) nhan tai.
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu nang chuc danh khoa hoc xa ((hoi van) or (hai van)) nhan tai*.