Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang cau » nang cao, hang cau, nang dau
ve cham » va cham, ve chat, vu cham
ca cua » co cua
va dan » ca dan, va dao, va dau
tuc va » thuc va, truc va, tuc xa
sac ky » cac ky, sai ky
ve cam » ve cac, va cam, ve cai

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) or (sach y)) nang cau hoi. hieu ((ve cam) OR (ve cham)) tuc va dan ca cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sach y)) nang cau hoi. hieu ((ve cam) OR (ve cham)) tuc va dan ca cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (sach y)) nang cau hoi. hieu ((ve cam) OR (ve cham)) tuc va dan ca cua triet".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (sach y)) nang cau hoi. hieu ((ve cam) OR (ve cham)) tuc va dan ca cua triet*.