Perhaps you should try some spelling variations:
cua triet » su triet, va triet
hanh thai » nhanh thai, hinh thai, hanh tai
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve dam » ven dam, ke dam, va dam
dam tu » nam tu, cam tu, tam tu

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 xa hoi. hieu ve dam tu va hanh thai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang xa hoi. hieu ve dam tu va hanh thai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. hieu ve dam tu va hanh thai ((cua triet) or (cua viet))*.