Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cham xu » chao xu, cham cuu, chat xuc
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
hang » dang, bang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cham xu ((va hanh) or (ngan hang)) va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cham xu ((va hanh) OR (ngan hang)) va su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cham xu ((va hanh) or (ngan hang)) va su triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cham xu ((va hanh) or (ngan hang)) va su triet*.