Perhaps you should try some spelling variations:
day nhanh » day thanh, duy nhanh, dac nhan
pham thuc » phap thuc, pham chuc, nham thuc
day hanh » day thanh, dao hanh, day manh
thu sac » thu sach, thu san, thu xac
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
sac ky » cac ky, sai ky
co hoi » co hoc, co loi
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky nang co hoi. hieu ve pham thuc ((day hanh) or (day nhanh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang co hoi. hieu ve pham thuc ((day hanh) OR (day nhanh)) di cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang co hoi. hieu ve pham thuc ((day hanh) or (day nhanh)) di cua te*.