Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua viet » ca viet, hoa viet, cua vat
nang xa » nang ma, mang xa, ang xa
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu ve cam xuc va hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y ((((nang xa) OR (nang x))) OR (lang xa)) hoi. hieu ve cam xuc va hanh vi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu ve cam xuc va hanh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: thuat sach y ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu ve cam xuc va hanh vi cua viet*.