Perhaps you should try some spelling variations:
khang tai » hang tai, nhan tai, khau tai
van khang » van khanh, van thanh, van quang
cau tren » cu tren, dau tren, ca tren
dang hai » dang khai, hang hai, dung hai
hai khoi » mai khoi, tai khoi, thai khoa
tai cau » tai cac, tai cao
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky dang hai khoi. hieu ((ve cam) or (vu cham)) xuc van khang tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang hai khoi. hieu ((ve cam) OR (vu cham)) xuc van khang tai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang hai khoi. hieu ((ve cam) or (vu cham)) xuc van khang tai cau tren*.