Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
mach hoc » cach hoc, dich hoc, anh hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
khoa hoc » hoa hoc
tu mach » tu cach, tu manh, tu hach
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: tu mach hoc tap, nghien cuu long hoc nganh khoa hoc xa thai ((van thanh) or (van ban)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien cuu long hoc nganh khoa hoc xa thai ((van thanh) OR (van ban)) van.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu long hoc nganh khoa hoc xa thai ((van thanh) or (van ban)) van*.