Perhaps you should try some spelling variations:
nhanh chung » nhanh chuong, nhanh chong, nhanh hung
nghien cua » nghien cuu, nghiep cua, nghiep vua
chung hoc » trung hoc, dung hoc, hung hoa
sach hoi » sach doi, sach moi, cach thoi
phat van » pham van, phan van, phap van
te sach » toc sach
mot hoc » mon hoc, mot goc, bot hoc
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: te sach hoi dap, nghien cua ((mot hoc) OR (mo hoc)) nhanh chung hoc xa hoi va phat van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoi dap, nghien cua ((mot hoc) OR (mo hoc)) nhanh chung hoc xa hoi va phat van".
• Adding a wildcard symbol may retrieve word variants: te sach hoi dap, nghien cua ((mot hoc) OR (mo hoc)) nhanh chung hoc xa hoi va phat van*.