Perhaps you should try some spelling variations:
cau triet » cau trieu, cua triet, va triet
cam luoc » cam xuc, tom luoc, cam lo
luoc gia » quoc gia, luc gia, luong gia
thanh vi » hanh vi, thanh va, thanh ve
su triet » su viet, su tien, ve triet
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu va ky nang xa hoi. hieu va cam luoc gia thanh vi ((((cau triet) OR (su triet))) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu va ky nang xa hoi. hieu va cam luoc gia thanh vi ((((cau triet) OR (su triet))) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu va ky nang xa hoi. hieu va cam luoc gia thanh vi ((((cau triet) OR (su triet))) or (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu va ky nang xa hoi. hieu va cam luoc gia thanh vi ((((cau triet) OR (su triet))) or (cau tren))*.