Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
nghiep cua » nghiep vua, nghiep luan, nghien cuu
nganh hoa » khanh hoa, danh hoa, ninh hoa
thanh hoa » thanh pho
mach hoc » cach hoc, dich hoc, anh hoc
cong hoa » dong hoa, dong hoc, hang hoa
dan phan » doan phan, dan chan, van phan
phan van » pham van, thanh van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat mach hoc tap, nghiep cua cong hoa ((nganh hoa) OR (thanh hoa)) hoc ma hoa dan phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat mach hoc tap, nghiep cua cong hoa ((nganh hoa) OR (thanh hoa)) hoc ma hoa dan phan van".
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghiep cua cong hoa ((nganh hoa) OR (thanh hoa)) hoc ma hoa dan phan van*.