Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
xac thoi » cac thoi, cach thoi, cac khoi
khoa hoc » hoa hoc
van phan » van phong, van thanh, luan phan
phan dan » phan dang, phan dau, nhan dan
cac toi » cac thoi
hoi van » hoi va, hoi dan, hai van
mo hoc » mon 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 ((xac thoi) OR (cac toi)) tap, nghien cuu mo hoc nhanh khoa hoc xa hoi van phan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((xac thoi) OR (cac toi)) tap, nghien cuu mo hoc nhanh khoa hoc xa hoi van phan dan".
• Adding a wildcard symbol may retrieve word variants: thu ((xac thoi) OR (cac toi)) tap, nghien cuu mo hoc nhanh khoa hoc xa hoi van phan dan*.