Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hang
ban hanh » ban hang
sach ty » sach y, sach tu, sach thu
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
cac lo » cac lop, cac co, cac ho
cac bo » bac bo, cac co
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: te sach ty nang xa hoi. hieu ve ((cac lo) or (cac bo)) ((ban thanh) or (ban hanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ve ((cac lo) OR (cac bo)) ((ban thanh) OR (ban hanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ve ((cac lo) or (cac bo)) ((ban thanh) or (ban hanh)) vi cua triet*.