Perhaps you should try some spelling variations:
khoi nganh » hoc nganh, moi nganh
cach thuc » anh thuc, cac thu
hoa nganh » hoc nganh, hoa doanh, hoa thanh
thong hoc » thuong hoc, tuong hoc, thong hoa
thuc tap » tuc tap, thuc thai, thuc vat
duc toan » duc tan, duc ton, duc hoan
cua nhan » ca nhan, cua ngan, cua nha
nhan dan » phan dau, gian dan, nhan tai
te cach » ve cach, te sach, tu cach
hoi cua » hoi chuc
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cach thuc tap, nguyen duc toan ((hoa nganh) OR (khoi nganh)) thong hoc ma hoi cua nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach thuc tap, nguyen duc toan ((hoa nganh) OR (khoi nganh)) thong hoc ma hoi cua nhan dan".
• Adding a wildcard symbol may retrieve word variants: te cach thuc tap, nguyen duc toan ((hoa nganh) OR (khoi nganh)) thong hoc ma hoi cua nhan dan*.