Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach doi » sach hoi, sach moi, sach dao
cuu nang » chuc nang, cam nang, cuu van
nang hoc » nang doc, nang luc, dong hoc
khoa hoc » hoa hoc
van pham » san pham, van phan, van phat
vu sach » vu bach, su sach, vu khach
doi tai » hoi tai, dai tai, doi tac
ma hoi » mai hoi, ma hoa, me hoi

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

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