Perhaps you should try some spelling variations:
thanh nhan » thanh phan, thanh san, thanh toan
nhan khoa » nha khoa, khuan khoa, toan khoa
tong hoc » tuong hoc, thong hoc, trong hoc
thoi tap » hoc tap, thoi dai, hoi tai
ha thanh » va thanh, pham thanh, phan thanh
khoa hoc » hoa hoc
cuu tong » cuu cong, cuu tinh, huu tung
hoc nhan » hoc nhanh, nhoc nhan, hoc phan
te cach » ve cach, te sach, tu cach
toi tap » toi gap, toan tap, tong tap
nhan va » nhan tai, nhan dan, nhan tao
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) or (toi tap)), nghien cuu tong hoc nhan khoa hoc xa ha thanh nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach ((thoi tap) OR (toi tap)), nghien cuu tong hoc nhan khoa hoc xa ha thanh nhan va.
• Adding a wildcard symbol may retrieve word variants: te cach ((thoi tap) or (toi tap)), nghien cuu tong hoc nhan khoa hoc xa ha thanh nhan va*.