Perhaps you should try some spelling variations:
ve triet » va trien, su triet
cham tuc » nham thuc, pham thuc, tham thuc
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ky » sach y, sach ty, sach kem
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
sac ky » cac ky, sai ky
gi ve » gia ve, gi de, gi he

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sac ky)) nang xa hoi. hieu ve cham tuc ((va hanh) or (va danh)) gi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cham tuc ((va hanh) OR (va danh)) gi ve triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sac ky)) nang xa hoi. hieu ve cham tuc ((va hanh) or (va danh)) gi ve triet*.