Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
hoc nganh » hoc nhanh
cach hoc » cach thuc, cach thoi, dich hoc
thu dong » thuy dong, tu dong, thu cong
dong hoc » dong co, dong luc
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
hai van » thai van, ha van, hai tan
nhan va » nhan tai, nhan dan, nhan tao
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 cach hoc tap, nghien thu dong hoc nganh ((khoa hoc) OR (hoa hoc)) xa hai van nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghien thu dong hoc nganh ((khoa hoc) OR (hoa hoc)) xa hai van nhan va".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien thu dong hoc nganh ((khoa hoc) OR (hoa hoc)) xa hai van nhan va*.