Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh dong » hanh dong, nhanh chong, anh dong
cua thanh » gia thanh, va thanh, ha thanh
thanh hoc » thanh hoa, than hoc, thanh ho
hoc nhanh » hoc nganh, hoc phan
dong luc » nang luc
tu mach » tu cach, tu manh, tu sach
tu hach » tu hanh, tu cach, tu sach
vo pham » vi pham, v pham, toi pham
luc ma » luc va, luc ha, suc ma
hoa vo » hoa co

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, nghien cua thanh hoc nhanh dong luc ma hoa vo pham van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu mach) OR (tu hach)) hoc tap, nghien cua thanh hoc nhanh dong luc ma hoa vo pham van".
• Adding a wildcard symbol may retrieve word variants: ((tu mach) OR (tu hach)) hoc tap, nghien cua thanh hoc nhanh dong luc ma hoa vo pham van*.