Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
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 » thu sach, su sach, te sach
hoc tai » hoc dai, hoc tap, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
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: tu sach hoc tai, nghien cuu dong hoc nganh nang hoc ((ma hoi) OR (mai hoi)) cua nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tai, nghien cuu dong hoc nganh nang hoc ((ma hoi) OR (mai hoi)) cua nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tai, nghien cuu dong hoc nganh nang hoc ((ma hoi) OR (mai hoi)) cua nhan dan*.