Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
toc sac » toc sach, hoc sach, doc sach
ky danh » ky anh, ky dang
danh ha » danh hoa, doanh ha, danh hau
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc van » duc va, duc tan, duc manh
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua, di cua
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: ((toc sac) or (toc san)) ky danh ha hoi. hieu ve pham duc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sac) OR (toc san)) ky danh ha hoi. hieu ve pham duc van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((toc sac) or (toc san)) ky danh ha hoi. hieu ve pham duc van hanh vi cua te*.