Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
thoi tap » toi tap, hoc tap, thoi dai
cua ngan » cua ban, vu ngan, cua dan
ngan tai » nganh tai, nhan tai, gan tai
tu cach » tu cac
huu mot » cuu mot, huy mot, hieu mot
hoa cua » hoa chat, hoa xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghien ((cuu mo) or (huu mot)) hoc nhanh hoa hoc ma hoa cua ngan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien ((cuu mo) OR (huu mot)) hoc nhanh hoa hoc ma hoa cua ngan tai.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien ((cuu mo) or (huu mot)) hoc nhanh hoa hoc ma hoa cua ngan tai*.