Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
luong lich » luong dich, cuong lich, long lich
lich nganh » tich nganh, dich ngan, lich danh
cuu luong » cuu long, cu luong, cuu tuong
khong hoc » khung hoc, thong hoc, khong thuoc
phan dan » phan dang, phan dau, nhan dan
tu sach » thu sach, su sach, te sach
va phan » van phan, va phat, va phap
ma hoi » mai hoi, xa hoi, ma hoa

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) or (thu hoach)) hoc tap, nghien cuu luong lich nganh khong hoc ma hoi va phan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) hoc tap, nghien cuu luong lich nganh khong hoc ma hoi va phan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) hoc tap, nghien cuu luong lich nganh khong hoc ma hoi va phan dan*.