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
phap van » pham van, phan van, phap han
te sach » toc sach
va phap » va phat, ban 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 phap van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cua truong quoc nhanh chong ((dich ran) OR (dich can)) hoi va phap 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 phap van*.