Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
nghien cua » nghien cuu, nghiep cua, nghiep vua
hanh thoi » hanh thuoc, nhanh thai, anh tho
hoc nganh » hoc nhanh
van tuan » van quan, van ban, anh tuan
khoa hoc » hoa hoc
cong hoc » dong hoc, cong hoa, cong coc
hanh noi » ha noi, hanh vi, nang noi
hai van » thai van, ha van, hai tan
tuan va » toan va, luan va, quan va
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((hanh thoi) OR (hanh noi)) tap, nghien cua cong hoc nganh khoa hoc xa hai van tuan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((hanh thoi) OR (hanh noi)) tap, nghien cua cong hoc nganh khoa hoc xa hai van tuan va".
• Adding a wildcard symbol may retrieve word variants: thu ((hanh thoi) OR (hanh noi)) tap, nghien cua cong hoc nganh khoa hoc xa hai van tuan va*.