Perhaps you should try some spelling variations:
thuyet mach » thuyet xac, thuyet cac, thuyet anh
nganh khung » nganh khong, nhanh hung
thuat mach » thuat sach, thuat tach, thuat lanh
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
nhan tai » hang tai, van tai, toan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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) OR (thuyet mach)) hoc tap, nghien cuu mon hoc nganh khung hoc xa hoi ca nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat mach) OR (thuyet mach)) hoc tap, nghien cuu mon hoc nganh khung hoc xa hoi ca nhan tai".
• Adding a wildcard symbol may retrieve word variants: ((thuat mach) OR (thuyet mach)) hoc tap, nghien cuu mon hoc nganh khung hoc xa hoi ca nhan tai*.