Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thu sach » tu sach, thuat sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
cho thue » choi thuc, cuc thue, cho he
lang xa » lang ha, dang xay, lang van
xuc van » duc van, luc van, vuc van
nang xa » nang x, nang ma, mang xa
hanh va » hang va, hanh vi
cho tre » khoe tre
va cam » va cham, va cac, va cao

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 thue ((nang xa) or (lang xa)) hoi. lieu va cam xuc van hanh va ((cho tre) OR (cho thue))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thue ((nang xa) OR (lang xa)) hoi. lieu va cam xuc van hanh va ((cho tre) OR (cho thue)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach thue ((nang xa) or (lang xa)) hoi. lieu va cam xuc van hanh va ((cho tre) OR (cho thue))".
• Adding a wildcard symbol may retrieve word variants: thu sach thue ((nang xa) or (lang xa)) hoi. lieu va cam xuc van hanh va ((cho tre) OR (cho thue))*.