Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
truc van » truc va, thuc van, truc ban
hanh ve » hanh vi, hanh va
hieu ve » hieu va, hieu van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
ve cau » ke cau, va cau, ve cac
ha hoi » hoa hoi, ha noi, va hoi
te sac » te sach, te cac, te san

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 lang ((ha hoi) or (xa hoi)). hieu ve cau truc van ((hanh kem) or (hanh ve)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang ((ha hoi) OR (xa hoi)). hieu ve cau truc van ((hanh kem) OR (hanh ve)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang ((ha hoi) or (xa hoi)). hieu ve cau truc van ((hanh kem) or (hanh ve)) cua triet*.