Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
thanh van » thanh san, thanh toan, thanh phan
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
nang hoc » nang doc, nang luc, dong hoc
hai van » thai van, ha van, hai tan
tu sach » thu sach, te sach, tu cach
cuu mon » cuu mo, cuu mot, cuu cong
hoi tai » hoc tai, hoi trac
su sach » so sach, vu sach
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) hoi tai, nghien cuu mon hoc nganh nang hoc xa hai van thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) hoi tai, nghien cuu mon hoc nganh nang hoc xa hai van thanh van.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) hoi tai, nghien cuu mon hoc nganh nang hoc xa hai van thanh van*.