Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
thong hoc » thuong hoc, tuong hoc, thong hoa
sach hoc » cach hoc, sach hoi, mach hoc
phan dan » phan dang, phan dau, nhan dan
tu sach » thu sach, su sach, te sach
mot hoc » mon hoc, mo hoc, bot hoc
va phan » van phan, va phat, va phap
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: tu sach hoc tap, nghien cuu ((mot hoc) OR (mot goc)) nhanh thong hoc xa hoi va phan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien cuu ((mot hoc) OR (mot goc)) nhanh thong hoc xa hoi va phan dan".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu ((mot hoc) OR (mot goc)) nhanh thong hoc xa hoi va phan dan*.