Perhaps you should try some spelling variations:
doanh khoa » toan khoa
soc doanh » so doanh, hoa doanh, voi doanh
van thanh » ban thanh, van tuan
mach hoc » cach hoc, dich hoc, bac hoc
cuu long » cuu cong, cuu tong, cuu nang
long soc » lon soc, luong suc, cong so
khoa hoc » hoa hoc
thai van » thi van, thanh van, thai vung
anh hoc » sinh hoc, benh hoc, hinh hoc
xa thai » ca thai, a thai, da thai
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: thu ((mach hoc) OR (anh hoc)) tap, nghien cuu long soc doanh khoa hoc xa thai van thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((mach hoc) OR (anh hoc)) tap, nghien cuu long soc doanh khoa hoc xa thai van thanh san".
• Adding a wildcard symbol may retrieve word variants: thu ((mach hoc) OR (anh hoc)) tap, nghien cuu long soc doanh khoa hoc xa thai van thanh san*.