Perhaps you should try some spelling variations:
phan khoa » pham khoa, nhan khoa, phan hoa
cach thoi » cac thoi, cach thuc, cach noi
khoa hoc » hoa hoc
hoa danh » hoa doanh, hoa dan, hop danh
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 phan » hoc dan, hoc pho
te cach » ve cach, te sach, tu cach
ha danh » han danh, ha anh, va danh
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 cach thoi tap, nghien cuu tong hoc phan khoa hoc xa ((ha danh) OR (hoa danh)) nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach thoi tap, nghien cuu tong hoc phan khoa hoc xa ((ha danh) OR (hoa danh)) nhan va".
• Adding a wildcard symbol may retrieve word variants: te cach thoi tap, nghien cuu tong hoc phan khoa hoc xa ((ha danh) OR (hoa danh)) nhan va*.