Perhaps you should try some spelling variations:
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, van anh, van ban
su sach » so sach, vu sach
cua tuc » cua duc, cua tu, cua thuoc
sach ky » sac ky, sach y, sach ty
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
cua su » qua su

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 dang ha noi. hieu van cham xuc ((van hanh) or (ban hanh)) vai ((cua tuc) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang ha noi. hieu van cham xuc ((van hanh) OR (ban hanh)) vai ((cua tuc) OR (cua su)).
• Adding a wildcard symbol may retrieve word variants: su sach ky dang ha noi. hieu van cham xuc ((van hanh) or (ban hanh)) vai ((cua tuc) or (cua su))*.