Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
van thanh » ban thanh
benh hoc » sinh hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
khoa hoc » hoa hoc
van tuan » van quan, van ban, anh tuan
tu benh » tru benh, thu benh, tuy benh
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu benh hoc tap, nghien cuu long hoc nganh khoa hoc xa hai ((van thanh) or (van tuan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu benh hoc tap, nghien cuu long hoc nganh khoa hoc xa hai ((van thanh) OR (van tuan)) van.
• Adding a wildcard symbol may retrieve word variants: tu benh hoc tap, nghien cuu long hoc nganh khoa hoc xa hai ((van thanh) or (van tuan)) van*.