Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
va hanh » van hanh, va thanh, ban hanh
vai cua » dai cua, hai cua, lai cua
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, dia danh
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: ((thu sach) OR (tu sach)) ky nang xa hoi. hieu ve cam xuc ((va hanh) or (va danh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang xa hoi. hieu ve cam xuc ((va hanh) OR (va danh)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ky nang xa hoi. hieu ve cam xuc ((va hanh) or (va danh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) ky nang xa hoi. hieu ve cam xuc ((va hanh) or (va danh)) vai cua te*.