Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
cham luc » nhan luc, cham cuu, chat lua
tinh loi » tinh luoi, tinh doi, dinh loi
va tinh » may tinh
ky hang » ky nang, ly hang, ky dang
tai hoi » tai khoi, dai hoi, tai hai
hieu su » hieu sau, tieu su, hieu so
cua tre » cuu tre, cua triet, dua tren
su sac » su sach, su cac, su xac
cua te » cua tu
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: su sac ky hang tai hoi. hieu su ((cham luc) OR (cham soc)) va tinh loi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky hang tai hoi. hieu su ((cham luc) OR (cham soc)) va tinh loi ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky hang tai hoi. hieu su ((cham luc) OR (cham soc)) va tinh loi ((cua tre) or (cua te))*".