Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
hoc phan » hoc dan, hoc pho
dong luc » nang luc
toi pham » tac pham, vi pham, thi phap
tu sach » thu sach, su sach, te sach
luc van » luoc van, luu van, duc van
hoa toi » hoa doi, hoa moi, hoa hoi

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 cong ((hoc nhanh) OR (hoc phan)) dong luc van hoa toi pham van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien cuu cong ((hoc nhanh) OR (hoc phan)) dong luc van hoa toi pham van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu cong ((hoc nhanh) OR (hoc phan)) dong luc van hoa toi pham van*.