Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
mach hoc » cach hoc, dich hoc, anh hoc
van hoc » van hoa
hoi van » hoi va, hoi dan, hoi han
hai van » thai van, ha van, hai tan
tim » time

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

• Performing a fuzzy search may retrieve terms with similar spellings: tim mach hoc tap, nghien cuu van hoc nganh khung hoc ma ((hoi van) OR (hai van)) phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tim mach hoc tap, nghien cuu van hoc nganh khung hoc ma ((hoi van) OR (hai van)) phan tu".
• Adding a wildcard symbol may retrieve word variants: tim mach hoc tap, nghien cuu van hoc nganh khung hoc ma ((hoi van) OR (hai van)) phan tu*.