Perhaps you should try some spelling variations:
nganh nang » nganh nong, ngan hang, nganh cong
ganh nang » anh nang, nganh nong, van nang
hach hoc » cach hoc, mach hoc, hoach hoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
dan phan » doan phan, dan chan, van phan
tu hach » tu hanh, tu cach, tu sach
hoi dan » hoa dan, hoc dan, hoi dap
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 hach hoc tap, nghien cuu dong hoc ((nganh nang) OR (ganh nang)) hoc xa hoi dan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hach hoc tap, nghien cuu dong hoc ((nganh nang) OR (ganh nang)) hoc xa hoi dan phan tu".
• Adding a wildcard symbol may retrieve word variants: tu hach hoc tap, nghien cuu dong hoc ((nganh nang) OR (ganh nang)) hoc xa hoi dan phan tu*.