Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, pham thu
nham thuc » nhan thuc, nam thuc, nham thu
dan hanh » dang hanh, dan khanh, dan thanh
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
tu sac » tu sach, tu cac, tu san
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: tu sac ky nang co hoi. hieu ve ((pham thuc) OR (nham thuc)) dan hanh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang co hoi. hieu ve ((pham thuc) OR (nham thuc)) dan hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang co hoi. hieu ve ((pham thuc) OR (nham thuc)) dan hanh di cua te*.