Perhaps you should try some spelling variations:
nganh hoa » khanh hoa, danh hoa, ninh hoa
thanh hoa » thanh pho
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
ca doanh » cac doanh, cua doanh, cao doanh
te hinh » te chinh, te tinh, thep hinh
hoc xa » hoc ma
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: te hinh hoc tap, nghien cuu cong hoc ((nganh hoa) or (thanh hoa)) hoc xa hoi ca doanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te hinh hoc tap, nghien cuu cong hoc ((nganh hoa) OR (thanh hoa)) hoc xa hoi ca doanh tai.
• Adding a wildcard symbol may retrieve word variants: te hinh hoc tap, nghien cuu cong hoc ((nganh hoa) or (thanh hoa)) hoc xa hoi ca doanh tai*.