Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
phan thanh » pham thanh, ban thanh, van thanh
cach thuc » anh thuc, cac thu
hoa nhanh » hoc nhanh, hoa thanh, hoa khanh
chong hoc » chung hoc, chong doc, thong hoc
hoc logic » mon logic, tac logic
thanh van » thanh san, thanh toan, thanh phan
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cong hoa » dong hoa, dong hoc, hang hoa
hoc phan » hoc dan, hoc pho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach hoc) or (cach thuc)) tap, nghien cuu cong hoa nhanh chong hoc logic hoc phan thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (cach thuc)) tap, nghien cuu cong hoa nhanh chong hoc logic hoc phan thanh van.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (cach thuc)) tap, nghien cuu cong hoa nhanh chong hoc logic hoc phan thanh van*.