Perhaps you should try some spelling variations:
thuat bach » thuat sach, thuat mach, thuat tach
nganh khoa » nganh hoa, nganh khong, anh khoa
doanh khoa » toan khoa
mai tai » mai thai, dai tai, mai tat
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat bach mai tai, nghien cuu mon hoc ((nganh khoa) or (doanh khoa)) hoc xa hoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat bach mai tai, nghien cuu mon hoc ((nganh khoa) OR (doanh khoa)) hoc xa hoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: thuat bach mai tai, nghien cuu mon hoc ((nganh khoa) or (doanh khoa)) hoc xa hoi ca nhan va*.