Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
khanh hoa » thanh hoa, hang hoa
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
mach hoc » cach hoc, dich hoc, anh hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
te mach » ke mach, te sach, tim mach
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te mach hoc tap, nghien cuu long hoc ((nganh cong) or (khanh hoa)) hoc xa hoi van thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cuu long hoc ((nganh cong) OR (khanh hoa)) hoc xa hoi van thanh van.
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu long hoc ((nganh cong) or (khanh hoa)) hoc xa hoi van thanh van*.