Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
hieu van » hieu va, thien van, lieu va
manh hoi » manh hai, manh ho, manh hon
tai hoi » tai khoi, dai hoi, tai hai
van coc » van hoc, van loc, van co
va manh » van manh, va danh, va hanh
cua tre » cuu tre, cua triet, dua tren
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va
cua te » cua tu

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 nang tai hoi. hieu van coc luc va manh hoi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang tai hoi. hieu van coc luc va manh hoi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang tai hoi. hieu van coc luc va manh hoi ((cua tre) or (cua te))*.