Perhaps you should try some spelling variations:
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu hanh » thuc hanh, thu thanh, thuy hanh
hanh hoc » thanh hoc, hinh hoc, anh hoc
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hoi dan, hai van
mo hoc » co hoc
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 hanh hoc tap, nghien cuu ((mo hoc) OR (mon hoc)) nganh hoa hoc xa hoi van nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu hanh hoc tap, nghien cuu ((mo hoc) OR (mon hoc)) nganh hoa hoc xa hoi van nhan tai".
• Adding a wildcard symbol may retrieve word variants: thu hanh hoc tap, nghien cuu ((mo hoc) OR (mon hoc)) nganh hoa hoc xa hoi van nhan tai*.