Perhaps you should try some spelling variations:
cua triet » su triet, va triet
thanh ve » hanh ve, thanh vien, thanh van
thanh va » thanh van, hanh va, thanh ha
cua viet » ca viet, hoa viet, cua vat
cao hoi » cau hoi, co hoi, cao hoc
thi van » thi lan, thi hanh, thi nang
cua van » cua ban, cua vat, cua dan
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 nang cao hoi. thi van nam cua van ((thanh ve) or (thanh va)) ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang cao hoi. thi van nam cua van ((thanh ve) OR (thanh va)) ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: te sac ky nang cao hoi. thi van nam cua van ((thanh ve) or (thanh va)) ((cua triet) or (cua viet))*.