Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
luc nganh » luc ngan, chuc nganh, luat nganh
chat nhan » chan nhan, chat nhay, chau nhan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
nang hoc » nang doc, nang luc, dong hoc
hat nhan » ca nhan, tao nhan, van nhan
hoc tai » hoc dai, hoc tap, hoc bai

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

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