Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
nghien cu » nghien cuu, nghiep cua, nghiep cau
luong duc » duong duc, luong cuoc, luong dich
duc nganh » luc nganh, chuc nganh, duc anh
thanh van » thanh san, thanh toan, thanh phan
thanh hoa » thanh pho
mach hoc » cach hoc, dich hoc, anh hoc
cu luong » cat luong, huy luong, do luong
khoa hoc » hoa hoc
thai van » thi van, thai vung, thai den
te mach » ke mach, te sach, tim mach
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: te mach hoc tap, nghien cu luong duc nganh khoa hoc xa thai van ((thanh van) or (thanh hoa))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cu luong duc nganh khoa hoc xa thai van ((thanh van) OR (thanh hoa)).
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cu luong duc nganh khoa hoc xa thai van ((thanh van) or (thanh hoa))*.