Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hoc nhanh » hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
nhan va » nhan tai, nhan dan, nhan tao
ma hoi » mai hoi, xa hoi, ma hoa
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: thuoc sach hoc tap, nghien cuu cong ((hoc nganh) or (hoc nhanh)) khong hoc ma hoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach hoc tap, nghien cuu cong ((hoc nganh) OR (hoc nhanh)) khong hoc ma hoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: thuoc sach hoc tap, nghien cuu cong ((hoc nganh) or (hoc nhanh)) khong hoc ma hoi ca nhan va*.