Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghe thu
nganh khoa » nganh hoa, nganh khong, doanh khoa
anh ngoai » doanh ngoai, benh ngoai, hang ngoai
ngoai tap » ngoai tac, ngoai tai, ngoai tru
hoa nganh » hoc nganh, khoi nganh, hoa doanh
cong hoa » dong hoa, dong hoc, hang hoa
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
hoi van » hoi va, hoi dan, hai van
nhan va » nhan tai, nhan dan, nhan tao
tu anh » tu hanh, tu manh, thu anh
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 anh ngoai tap, ((nghien thu) or (nghien cuu)) cong hoa nganh khoa hoc xa hoi van nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu anh ngoai tap, ((nghien thu) OR (nghien cuu)) cong hoa nganh khoa hoc xa hoi van nhan va.
• Adding a wildcard symbol may retrieve word variants: tu anh ngoai tap, ((nghien thu) or (nghien cuu)) cong hoa nganh khoa hoc xa hoi van nhan va*.