Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su sach » so sach, vu sach
ky lang » ky tang, tay lang
ky dang » ky danh
hieu ve » hieu va, hieu van
cam loc » cam lo
loc van » luoc van, hoc van, lo van
san cua » sang cua, ban cua, dan cua
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 ((((ky lang) OR (ky dang))) or (ky nang)) xa hoi. hieu ve cam loc van thanh san cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((ky lang) OR (ky dang))) OR (ky nang)) xa hoi. hieu ve cam loc van thanh san cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((((ky lang) OR (ky dang))) or (ky nang)) xa hoi. hieu ve cam loc van thanh san cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ((((ky lang) OR (ky dang))) or (ky nang)) xa hoi. hieu ve cam loc van thanh san cua te*.