Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi dai » hoc dai, hoi dap, hoi dan
nang hoc » nang doc, nang luc, dong hoc
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan tao, phan van
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: tu cach thoi dai, nghien cuu mon hoc nganh nang hoc ma hoi va ((nhan va) OR (nhan dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thoi dai, nghien cuu mon hoc nganh nang hoc ma hoi va ((nhan va) OR (nhan dan))*".