Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang noi » nang doc
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
nang ji » nang si, nang tai, nang tin
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky lang xa hoi. hieu ve cac tuc va ((nang ji) OR (nang noi)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. hieu ve cac tuc va ((nang ji) OR (nang noi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu ve cac tuc va ((nang ji) OR (nang noi)) cua triet*.