Perhaps you should try some spelling variations:
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
su sach » vu sach
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
so sach » so sanh, bo sach, co sach
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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) OR (so sach)) ky dang xa hoi. hieu ve cam xuc ((van hanh) or (ban hanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky dang xa hoi. hieu ve cam xuc ((van hanh) OR (ban hanh)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky dang xa hoi. hieu ve cam xuc ((van hanh) or (ban hanh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky dang xa hoi. hieu ve cam xuc ((van hanh) or (ban hanh)) vai cua te*.