Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
thu cach » thuc cach, thu canh, tu cach
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » van nhan, ca nhan, va phan
ma hoi » xa hoi, ma hoa, me 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 cach hoc tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) OR (mai hoi)) va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach hoc tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) OR (mai hoi)) va nhan dan".
• Adding a wildcard symbol may retrieve word variants: thu cach hoc tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) OR (mai hoi)) va nhan dan*.