Perhaps you should try some spelling variations:
truong quoc » trung quoc, truong hoc
nhanh chong » thanh cong, khanh phong
nghien cua » nghien cuu, nghiep cua, nghiep vua
cua truong » cua trung, xuan truong, cac truong
quoc nhanh » quoc khanh, quoc hanh, quoc nhan
sach hoc » cach hoc, sach hoi, mach hoc
dich ran » dich han, dinh rang, dich phan
dich can » dich han, lich can, tich can
phan van » pham van, thanh van, luan van
te sach » toc sach
va phan » van phan, va phat, va phap

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 cua truong quoc nhanh chong ((dich ran) OR (dich can)) hoi va phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cua truong quoc nhanh chong ((dich ran) OR (dich can)) hoi va phan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cua truong quoc nhanh chong ((dich ran) OR (dich can)) hoi va phan van*.