Perhaps you should try some spelling variations:
nghiem thuoc » nghiem duoc, nghiem hoa, nghi thuc
thuoc dong » thuoc dung, thuoc cong, thuoc dang
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu sach » tu sach, thuat sach, thuoc sach
sach hoi » sach doi, sach moi, cach thoi
dong hoc » dong co, dong luc
hoi tai » hoc tai, hoi trac
dan cao » dan ca, dan bao, dan cac
dam cao » dam bao, nam cao, dam rao
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: thu sach hoi tai, nghiem thuoc dong hoc nganh hoa hoc xa hoi ((dan cao) OR (dam cao)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoi tai, nghiem thuoc dong hoc nganh hoa hoc xa hoi ((dan cao) OR (dam cao)) van".
• Adding a wildcard symbol may retrieve word variants: thu sach hoi tai, nghiem thuoc dong hoc nganh hoa hoc xa hoi ((dan cao) OR (dam cao)) van*.