Perhaps you should try some spelling variations:
soc doanh » so doanh, voi doanh, von doanh
hoa doanh » toan doanh, hoa dan
hanh quan » thanh quan, anh quan, hang quan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu long » cuu cong, cuu tong, cuu nang
khoa hoc » hoa hoc
thi hanh » thi thanh
quan van » luan van, quan va, quan luan
ma thi » mai thi, may thi, ha 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 long ((soc doanh) OR (hoa doanh)) khoa hoc ma thi hanh quan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu long ((soc doanh) OR (hoa doanh)) khoa hoc ma thi hanh quan van*".