Perhaps you should try some spelling variations:
nganh thuong » anh thuong, doanh thuong, nang thuong
thuong hoc » truong hoc, tuong hoc, thuong ho
hoach hoi » hoc hoi, hoach ha, sach hoi
hoc nganh » hoc nhanh
tu hoach » thu hoach, tu hach, quy hoach
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
cac phan » cac nhan, cao phan, cap phan
phan dau » phan tu, hang dau
hoi tap » hoi dap, hoc tap, hoi tai
mai hoi » mai khoi, dai hoi, lai hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hoach hoi tap, nghien cuu dong hoc nganh thuong hoc ((mai hoi) OR (ma hoa)) cac phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hoach hoi tap, nghien cuu dong hoc nganh thuong hoc ((mai hoi) OR (ma hoa)) cac phan dau".
• Adding a wildcard symbol may retrieve word variants: tu hoach hoi tap, nghien cuu dong hoc nganh thuong hoc ((mai hoi) OR (ma hoa)) cac phan dau*.