Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
hoc nganh » hoc nhanh
thanh van » thanh san, thanh toan, thanh phan
manh con » manh hon, manh cuong, manh toan
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
ca thanh » cua thanh, cac thanh, va thanh
tu manh » tu minh, tu hanh, vu manh
con tap » cong tac, toan tap, cong tan
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 con tap, nghien cuu cong hoc nganh dong ((buc xa) or (tuc xa)) hoi ca thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu manh con tap, nghien cuu cong hoc nganh dong ((buc xa) OR (tuc xa)) hoi ca thanh van.
• Adding a wildcard symbol may retrieve word variants: tu manh con tap, nghien cuu cong hoc nganh dong ((buc xa) or (tuc xa)) hoi ca thanh van*.