Perhaps you should try some spelling variations:
su sach » so sach, vu sach
va danh » va dinh, va dan, dia danh
ky sang » ky nang, ky dang, ky tang
sang ta » sang tao, sang tai, sang tac
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, ban hanh
cam luc » cam xuc, cau luc
di cua » dai cua, doi cua, de cua
ve cam » ve cham, ve cac, va cam
ta hai » tai hai, tac hai, tra hai
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 (vay khach)) ky sang ta hai. hieu ve cam luc ((va danh) OR (va hanh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vay khach)) ky sang ta hai. hieu ve cam luc ((va danh) OR (va hanh)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vay khach)) ky sang ta hai. hieu ve cam luc ((va danh) OR (va hanh)) di cua te".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vay khach)) ky sang ta hai. hieu ve cam luc ((va danh) OR (va hanh)) di cua te*.