Perhaps you should try some spelling variations:
nhanh hoan » thanh hoang, thanh hoa, khanh hoa
hoc nhanh » hoc nganh, hoc phan
cuu nang » chuc nang, cam nang, cuu van
nang hoc » nang doc, nang luc, dong hoc
hoan hoc » hoa hoc, toan hoc, hoang hoa
phap van » pham van, phan van, phap han
tu mach » tu cach, tu hach, tu sach
tu manh » tu minh, tu hanh, vu manh
va phap » va phat, ban phap
hoa va » hoa van, hoa xa, hoa vo

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 manh)) hoc tap, nghien cuu nang hoc nhanh hoan hoc ma hoa va phap van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu mach) OR (tu manh)) hoc tap, nghien cuu nang hoc nhanh hoan hoc ma hoa va phap van.
• Adding a wildcard symbol may retrieve word variants: ((tu mach) or (tu manh)) hoc tap, nghien cuu nang hoc nhanh hoan hoc ma hoa va phap van*.