Perhaps you should try some spelling variations:
doanh khoa » toan khoa
soc doanh » so doanh, hoa doanh, voi doanh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu nang » chuc nang, cam nang, cuu van
nang soc » nang doc, nang hoc, nang som
khoa hoc » hoa hoc
thi nang » thi cong, thi hanh
tuan van » luan van, tran van, tan van
ki nang » ky nang
hoc ha » hoc hoa, hoc hai, hoc hat

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu nang soc doanh khoa hoc ha ((thi nang) OR (ki nang)) tuan van~".
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu nang soc doanh khoa hoc ha ((thi nang) OR (ki nang)) tuan van*.