Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cap nuoc » dat nuoc
nuoc nam » ngoc nam, nuoi nam, nuoc nhat
bach ky » bac ky
dan vai » dan va, dan tai, dan vat
xay hoi » xa hoi, cay phoi, gay thoi
tay hoi » tay ho, tao hoi, tay thai
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
nam dan » nam dinh
ve cap » ve cac, le cap, ve cai
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: vu bach ky dang ((xay hoi) OR (tay hoi)). hieu ve cap nuoc nam dan vai ((su triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ky dang ((xay hoi) OR (tay hoi)). hieu ve cap nuoc nam dan vai ((su triet) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ky dang ((xay hoi) OR (tay hoi)). hieu ve cap nuoc nam dan vai ((su triet) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: vu bach ky dang ((xay hoi) OR (tay hoi)). hieu ve cap nuoc nam dan vai ((su triet) or (cua te))*.