Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, mach hoc
dong hoc » dong co
dong luc » nang luc
te sach » toc sach
nhan va » nhan tai, nhan dan, nhan tao
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: te sach hoc tap, nghien cuu ((dong hoc) OR (dong luc)) nganh khung hoc xa hoi ca nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu ((dong hoc) OR (dong luc)) nganh khung hoc xa hoi ca nhan va".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu ((dong hoc) OR (dong luc)) nganh khung hoc xa hoi ca nhan va*.