Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh dong » nganh cong, nhanh dong, nganh khong
nganh nong » nganh cong
manh hon » manh ho, minh hon, manh huong
cong hoa » dong hoa, dong hoc, hang hoa
phan van » pham van, thanh van, luan van
tu manh » tu minh, tu hanh, vu manh
hon tap » hoc tap, han tap, con tap
ca phan » cac phan, cao phan, cap phan
buc xa » tuc xa
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 manh hon tap, nghien thu cong hoa ((nganh dong) or (nganh nong)) buc xa hoi ca phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu manh hon tap, nghien thu cong hoa ((nganh dong) OR (nganh nong)) buc xa hoi ca phan van.
• Adding a wildcard symbol may retrieve word variants: tu manh hon tap, nghien thu cong hoa ((nganh dong) or (nganh nong)) buc xa hoi ca phan van*.