Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
cach thuc » anh thuc, cac thu
nang thuc » dang thuoc, nhanh thuc, trang thuc
cach hoc » cach thoi, dich hoc, cac hop
cuu nang » chuc nang, cam nang, cuu van
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
hoi van » hoi va, hoi dan, hai van
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) OR (cach thuc)) tap, nghien cuu nang thuc doanh khoa hoc xa hoi van nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((cach hoc) OR (cach thuc)) tap, nghien cuu nang thuc doanh khoa hoc xa hoi van nhan tai".
• Adding a wildcard symbol may retrieve word variants: su ((cach hoc) OR (cach thuc)) tap, nghien cuu nang thuc doanh khoa hoc xa hoi van nhan tai*.