Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
van hanh » ban hanh, van anh, van ban
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
hoi cua » hoi chuc
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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 tru nang x hoi. hieu ve cam xuc ((van hanh) or (van thanh)) ((vi cua) or (hoi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tru nang x hoi. hieu ve cam xuc ((van hanh) OR (van thanh)) ((vi cua) OR (hoi cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach tru nang x hoi. hieu ve cam xuc ((van hanh) or (van thanh)) ((vi cua) or (hoi cua)) triet*.