Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
sach hoc » cach hoc, sach hoi, mach hoc
phap dan » phap day, phap han, phap van
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va phap » va phat, ban 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 mon hoc ((nhanh thong) or (nhanh quang)) hoc xa hoi va phap dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu mon hoc ((nhanh thong) OR (nhanh quang)) hoc xa hoi va phap dan.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon hoc ((nhanh thong) or (nhanh quang)) hoc xa hoi va phap dan*.