Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
toc sach » hoc sach, doc sach, thuoc sach
xlang xa » lang ha, hoang xa, mang xa
van dinh » van minh, van dich, va dinh
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
dinh te » kinh te, dich te, dinh ve
te cua » tue cua, le cua, de cua
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: toc sach thue ((xlang xa) OR (lang xa)) hoi. hieu va ((cau truc) OR (cam xuc)) van dinh te cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach thue ((xlang xa) OR (lang xa)) hoi. hieu va ((cau truc) OR (cam xuc)) van dinh te cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach thue ((xlang xa) OR (lang xa)) hoi. hieu va ((cau truc) OR (cam xuc)) van dinh te cua te*.