Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
hoc nganh » hoc nhanh
thu sach » thuat sach, thuoc sach, thu hoach
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
nang hoc » nang doc, nang luc, hang hoa
cua nhan » ca nhan, cua ngan, cua nha
nhan dan » phan dau, gian dan, nhan tai
tu sach » su sach, te sach, tu cach
hoc dai » hoc dan
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: ((tu sach) OR (thu sach)) hoc dai, nghien cuu dong hoc nganh nang hoc ma hoi cua nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) hoc dai, nghien cuu dong hoc nganh nang hoc ma hoi cua nhan dan".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) hoc dai, nghien cuu dong hoc nganh nang hoc ma hoi cua nhan dan*.