Perhaps you should try some spelling variations:
mot doanh » mot thanh, hoa doanh, voi doanh
doanh hoa » doanh khoa, doanh hoan, danh hoa
danh nhan » doanh nhan, thanh nhan, benh nhan
cuu tong » cuu cong, cuu tinh, huu tung
tong mot » trong mot, tong cot, cong mot
hoi danh » hop danh, hoi dan, hoc danh
te sinh » ve sinh, ke sinh, le sinh
he sinh » ve sinh, ho sinh, he tinh
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sinh) OR (he sinh)) hoc tap, nghien cuu tong mot doanh hoa hoc xa hoi danh nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sinh) OR (he sinh)) hoc tap, nghien cuu tong mot doanh hoa hoc xa hoi danh nhan va".
• Adding a wildcard symbol may retrieve word variants: ((te sinh) OR (he sinh)) hoc tap, nghien cuu tong mot doanh hoa hoc xa hoi danh nhan va*.