Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
day thanh » dao thanh, dat thanh, da thanh
dao hanh » dao thanh, dang hanh, ban hanh
nam thuc » nam thuoc, am thuc, nam thu
hieu va » lieu va
sac ky » cac ky, sai ky
di cua » dai cua, doi cua, de cua
vu sac » vu sach, vu san, va sac
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang x hoi. ((hieu va) or (hieu qua)) nam thuc ((dao hanh) or (day thanh)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang x hoi. ((hieu va) OR (hieu qua)) nam thuc ((dao hanh) OR (day thanh)) di cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang x hoi. ((hieu va) or (hieu qua)) nam thuc ((dao hanh) or (day thanh)) di cua triet*.