Perhaps you should try some spelling variations:
nganh nhung » doanh nhung, nganh nong, anh nhung
thuoc sach » hoc sach, nuoc sach, thuat sach
hoc nganh » hoc nhanh
nhung hoc » chung hoc, nhung goc, khung hoc
thu mach » thu sach, thuat mach, thu hoach
khoa can » khoa cam, khoa cap, khoi can
can phan » van phan, cac phan, can chan
phan van » pham van, thanh van, luan van
xa khoa » da khoa, bia khoa, tai khoa
mo hoc » mon hoc, co hoc
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu mach) or (thuoc sach)) hoc tap, nghien cuu mo hoc nganh nhung hoc xa khoa can phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu mach) OR (thuoc sach)) hoc tap, nghien cuu mo hoc nganh nhung hoc xa khoa can phan van.
• Adding a wildcard symbol may retrieve word variants: ((thu mach) or (thuoc sach)) hoc tap, nghien cuu mo hoc nganh nhung hoc xa khoa can phan van*.