Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hang » ngan hang
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, nam thuc
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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 ly nang xa hoi. lieu va cam tuc ((((ban thanh) OR (ban hanh))) or (ban hang)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang xa hoi. lieu va cam tuc ((((ban thanh) OR (ban hanh))) OR (ban hang)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. lieu va cam tuc ((((ban thanh) OR (ban hanh))) or (ban hang)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang xa hoi. lieu va cam tuc ((((ban thanh) OR (ban hanh))) or (ban hang)) vi cua triet*.