Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hinh thai » sinh thai, tinh thai, dinh thi
hanh thai » nhanh thai, hanh tai, anh thai
duc manh » suc manh, duc anh, duc minh
cam duc » cam xuc, cao duc, pham duc
dang ha » dong ha, dung ha, lang ha
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
sai ky » sac ky
ve cam » ve cham, ve cac, va cam
ha hoi » hoa hoi, ha noi, xa hoi
su sai » su tai, su hai, su dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky dang ha hoi. hieu ve cam duc manh ((hanh thai) or (hinh thai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky dang ha hoi. hieu ve cam duc manh ((hanh thai) OR (hinh thai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: su sai ky dang ha hoi. hieu ve cam duc manh ((hanh thai) or (hinh thai)) cua triet*.