Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
sach hoc » cach hoc, sach hoi, mach hoc
cong hoa » dong hoa, hang hoa
dong hoc » dong co, dong luc
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan tai » hang tai, van tai, toan tai
vu sach » vu bach, su sach, vu khach
hoi ca » hoi cua, hoi cac, hoi cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach hoc tap, nghien cuu ((cong hoa) OR (dong hoc)) nhanh khong thuoc xa hoi ca nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach hoc tap, nghien cuu ((cong hoa) OR (dong hoc)) nhanh khong thuoc xa hoi ca nhan tai".
• Adding a wildcard symbol may retrieve word variants: vu sach hoc tap, nghien cuu ((cong hoa) OR (dong hoc)) nhanh khong thuoc xa hoi ca nhan tai*.