Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
van han » van hanh, van phan, van nhan
han tai » hang tai, nhan tai, van tai
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va nam » ha nam, va nay
tu van » tu va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang x hoi. lieu ((va nam) or (van nam)) tu van han tai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. lieu ((va nam) OR (van nam)) tu van han tai ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. lieu ((va nam) or (van nam)) tu van han tai ((cua tre) or (su triet))*.