Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
nhan khoa » nha khoa, khuan khoa, toan khoa
danh nhan » thanh nhan, benh nhan, dung nhan
thoi tap » toi tap, hoc tap, thoi dai
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
hoc nhan » hoc nhanh, nhoc nhan, hoc phan
khoa hoc » hoa hoc
te cach » ve cach, te sach, tu cach
hoc xa » hoc ma
xa ha » xa hoa, xa hai, la ha

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

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