Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
soc tuan » ngoc tuan, soc trang, quoc tuan
dieu vu » dien vu, dieu va, dieu cua
hieu su » hieu sau, tieu su, hieu so
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
anh te » anh tu, anh ve, anh le
anh ta » anh tu, anh va, anh tuan
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. ((dieu vu) OR (hieu su)) cham soc tuan ((anh te) OR (anh ta)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. ((dieu vu) or (hieu su)) cham soc tuan ((anh te) OR (anh ta)) cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. ((dieu vu) or (hieu su)) cham soc tuan ((anh te) OR (anh ta)) cua triet*.