Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
nghien huu » nghien cuu, nguyen huu, nhiem huu
thanh van » thanh san, thanh toan, thanh phan
can thanh » ban thanh, van thanh, cac thanh
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
khoa can » khoa cam, khoa cap, khoi can
thon xa » thong xa, thong xay, thong va
thoi xa » thoi xua, thi xa, thoi va
tu mach » tu cach, tu manh, tu hach
mo hoc » mon hoc, co hoc
huu mo » huu mot, huu co, huu ho

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 hoc tap, nghien huu mo hoc nganh cong ((thon xa) or (thoi xa)) khoa can thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien huu mo hoc nganh cong ((thon xa) OR (thoi xa)) khoa can thanh van.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien huu mo hoc nganh cong ((thon xa) or (thoi xa)) khoa can thanh van*.