Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
cua triet » cua viet, su triet, va triet
thuc dat » thuc vat, thuc dan, thuc day
dat hanh » dat khanh, dat thanh, dao hanh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu vu » hieu va, hieu su, dieu vu
hieu ve » hieu va, hieu van
hanh va » hang va, hanh vi
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
va cua » va chua, via cua, ca cua

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

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