Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nhanh chong, doanh chung
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh cong » nhanh chong, thanh cong
bai thanh » ban thanh, tai thanh, mai thanh
sach hoc » cach hoc, sach hoi, mach hoc
thu dong » thuy dong, tu dong, thu cong
dong hoc » dong co, dong luc
te sach » toc sach
hoi bai » hoc bai, hoi tai, khoi bay
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: te sach hoc tap, nghien thu dong hoc ((nganh chung) OR (nganh cong)) hoc xa hoi bai thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien thu dong hoc ((nganh chung) OR (nganh cong)) hoc xa hoi bai thanh san".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien thu dong hoc ((nganh chung) OR (nganh cong)) hoc xa hoi bai thanh san*.