Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
dap thanh » dao thanh, dat thanh, da thanh
hanh hoc » thanh hoc, hinh hoc, anh hoc
hoc nhan » nhoc nhan, hoc phan, hoc chan
tu hanh » du hanh, lu hanh, thuc hanh
cuu mot » cua mot, cuu mo, huu mot
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hanh hoc tap, nghien cuu mot ((hoc nhan) or (hoc nhanh)) khong hoc mai hoi dap thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hanh hoc tap, nghien cuu mot ((hoc nhan) OR (hoc nhanh)) khong hoc mai hoi dap thanh phan.
• Adding a wildcard symbol may retrieve word variants: tu hanh hoc tap, nghien cuu mot ((hoc nhan) or (hoc nhanh)) khong hoc mai hoi dap thanh phan*.