Perhaps you should try some spelling variations:
nganh dung » ngan dung, anh dung, nganh cong
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cuu tuan » huu tuan, chu tuan, cuu toan
thu tuan » chu tuan, thu trang, thu thuat
dung hoc » dong hoc, dung thuoc, trung hoc
nhan van » nhan dan, nhan va, phan van
tu sach » thu sach, su sach, te sach
ma khoi » mai khoi, ra khoi, xa khoi
khoi ca » khoi can, khoi cua, khoi va

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 tuan) OR (thu tuan)) hoc nganh dung hoc ma khoi ca nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien ((cuu tuan) OR (thu tuan)) hoc nganh dung hoc ma khoi ca nhan van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien ((cuu tuan) OR (thu tuan)) hoc nganh dung hoc ma khoi ca nhan van*.