Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
trong cuoc » trong cac
cuoc nganh » hoc nganh, cac nganh, chuc nganh
thu trong » thuc trong, thue trong, thuy trong
cach hoc » cach thuc, cach thoi, dich hoc
nong hoc » dong hoc, nong thon, duong hoc
nang hoc » nang doc, nang luc, dong hoc
phan van » pham van, thanh van, luan van
tu cach » tu cac
ca phan » cac phan, cao phan, cap phan
hoi ca » hoi cua, hoi cac, hoi cau

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 trong cuoc nganh ((nong hoc) or (nang hoc)) xa hoi ca phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien thu trong cuoc nganh ((nong hoc) OR (nang hoc)) xa hoi ca phan van.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien thu trong cuoc nganh ((nong hoc) or (nang hoc)) xa hoi ca phan van*.