Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cuu luong » cuu long, cu luong, cuu tuong
luong suc » luong duc, luong su, duong suc
suc doanh » muc doanh, su doanh, suc manh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
khoa hoc » hoa hoc
thi hanh » thi thanh
tuan van » luan van, tran van, quan van
tan van » tran van, tang van, luan van
hoc ta » hoc tai, hoc tan, hoc tam
ta thi » ha thi, te thi, tran thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoc tap, nghien cuu luong suc doanh khoa hoc ta thi hanh ((tuan van) OR (tan van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu luong suc doanh khoa hoc ta thi hanh ((tuan van) OR (tan van))*".