Perhaps you should try some spelling variations:
nghiep khach » nghiep thanh, nghiep cach, nghiep sach
khach cong » thanh cong, khach hang, hanh cong
phan cung » phan cong, phan ung, phan xuong
cong hoa » dong hoa, dong hoc, hang hoa
hoa phan » hoa dan, co phan
cung hoc » chung hoc, dung hoc, vung hoc
van nhan » van phan, van thanh, danh nhan
nhan tao » nhan tai, nhan dan
tu mach » tu cach, tu manh, tu sach
tu hach » tu hanh, tu cach, tu sach
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu mach) OR (tu hach)) hoc tap, nghiep khach cong hoa phan cung hoc xa hoi van nhan tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu mach) OR (tu hach)) hoc tap, nghiep khach cong hoa phan cung hoc xa hoi van nhan tao*".