Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
nuoc sach » nguoi sach, hoc sach, cuoc cach
luc nganh » luc ngan, chuc nganh, luat nganh
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
nang doc » nang luc
hoa chat » hop chat, hoa phan
nhan dan » phan dau, nhan tai
gian dan » gian lang
hoc tai » hoc dai, hoc tap, hoc bai
doc ma » duoc ma, hoc ma, doc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach hoc tai, nghien cuu dong luc nganh nang doc ma hoa chat ((nhan dan) OR (gian dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach hoc tai, nghien cuu dong luc nganh nang doc ma hoa chat ((nhan dan) OR (gian dan))".
• Adding a wildcard symbol may retrieve word variants: nuoc sach hoc tai, nghien cuu dong luc nganh nang doc ma hoa chat ((nhan dan) OR (gian dan))*.