Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
nghien cac » nghiep cach, nghien cuu, nghiep cay
hoa nganh » hoc nganh, khoi nganh, hoa doanh
cong duoc » cong cuoc, dong duoc, cong duc
nhan dan » phan dau, nhan tai
sach hoi » sach doi, sach moi, cach thoi
gian dan » gian lang
cong hoa » dong hoa, dong hoc, hang hoa
cac cong » cua cong
duoc ma » duoc lam
hoi tap » hoi dap, hoc tap, hoi tai
te sach » toc sach
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: te sach hoi tap, nghien cac cong hoa nganh cong duoc ma hoi va ((nhan dan) or (gian dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoi tap, nghien cac cong hoa nganh cong duoc ma hoi va ((nhan dan) OR (gian dan)).
• Adding a wildcard symbol may retrieve word variants: te sach hoi tap, nghien cac cong hoa nganh cong duoc ma hoi va ((nhan dan) or (gian dan))*.