Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
cham tuc » pham thuc, tham thuc, cham soc
dang ma » dang mau, dang mam, dang mat
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
va doan » va doanh, van doan, va dan
doan vi » doan va, don vi, doan thi
ma hoi » mai hoi, xa hoi, ma hoa
sai ky » sac ky
vi cua » vai cua, di cua
tu sai » tu bai, tu san, tu cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky dang ma hoi. hieu ve ((cham tuc) or (nham thuc)) va doan vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky dang ma hoi. hieu ve ((cham tuc) OR (nham thuc)) va doan vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang ma hoi. hieu ve ((cham tuc) or (nham thuc)) va doan vi cua triet*.