Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, ban thanh, va tinh
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu ve » hieu va, hieu van
cac duc » cao duc, cac dac, cac nuoc
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang ha hoi. hieu ve ((cac duc) or (cac du)) va thanh lai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang ha hoi. hieu ve ((cac duc) OR (cac du)) va thanh lai ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang ha hoi. hieu ve ((cac duc) or (cac du)) va thanh lai ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang ha hoi. hieu ve ((cac duc) or (cac du)) va thanh lai ((cua triet) OR (cua viet))*.