Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh hoa » thanh hoa, danh hoa, ninh hoa
khanh hoa » thanh hoa, hang hoa
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
te sinh » ve sinh, he sinh, ke sinh
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 sinh hoc tap, nghien thu cong hoc ((nganh hoa) OR (khanh hoa)) hoc xa hoi ca nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sinh hoc tap, nghien thu cong hoc ((nganh hoa) OR (khanh hoa)) hoc xa hoi ca nhan van".
• Adding a wildcard symbol may retrieve word variants: te sinh hoc tap, nghien thu cong hoc ((nganh hoa) OR (khanh hoa)) hoc xa hoi ca nhan van*.