Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cuoc nganh » cac nganh, chuc nganh, cua nganh
thu luong » thu huong, thu tuong, phu luong
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
nong hoc » dong hoc, nang hoc, nong thon
tu sach » thu sach, su sach, te sach
lua van » luan van, luu van, qua van
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau
ca lua » cay lua, ca cua, ca dua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoc tap, nghien thu luong ((cuoc nganh) or (hoc nganh)) nong hoc xa hoi ca lua van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien thu luong ((cuoc nganh) OR (hoc nganh)) nong hoc xa hoi ca lua van.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien thu luong ((cuoc nganh) or (hoc nganh)) nong hoc xa hoi ca lua van*.